L.Gasperini, E. Bonatti, G. Longo: "Lake Cheko and the Tunguska Event: impact or non-impact?", Terra Nova, Volume 20, Issue 2, pp 169-172 (April 2008) © Blackwell Publishing Ltd. (pdf 196 kb). More information

Longo G.: K izucheniyu prichin i posledstvij katastrof. In: Forum-2008, Novoye v mezhdisciplinarnyh issledovaniyah i debatah, Izd. RAN, Moskva, pp 291-302, 2008 (Russian rar 2,452 kb)

L.Gasperini, F.Alvisi, G. Biasini, E. Bonatti, G. Longo, M. Pipan, M. Ravaioli, R. Serra: "A possible impact crater for the 1908 Tunguska Event", Terra Nova, Vol. 19, n. 4, pp. 245 _ 251 (June 2007) © Blackwell Publishing Ltd. (pdf 1.5 Mb). More information

Longo G.: "The Tunguska event" . Chapter 18, pp. 303-330 in the book: "Comet/Asteroid Impacts and Human Society, An Interdisciplinary Approach, Bobrowsky, Peter T.; Rickman, Hans (Eds.)." , 546 p., © Springer-Verlag, Berlin Heidelberg New York, 2007 (Chapter 18 pdf, 18.9 Mb).

G. Longo and R. Serra, "Effects of the Tunguska explosion on the wood of surviving conifers". In: FIFTH INTERNATIONAL AEROSPACE CONGRESS, Contribution 16.5, August 27-31, 2006, Moscow (English pdf, 286 kb), (Russian pdf, 1,4 Mb).  

V. I. Kharuk, V. A. Guriev, E. Ya. Falkov, I. G. Golovnyov, V. I. Soukhikh, G. Longo, M. Di Martino, "Analysis of the forest cover in the epicenter of the Tungus meteorite fall". In: FIFTH INTERNATIONAL AEROSPACE CONGRESS, Contribution 13.18, August 27-31, 2006, Moscow (Russian pdf, 372 kb).

L. Tositti, M. Mingozzi, S. Sandrini, L. Forlani, M.C. Buoso, M. De Poli, D. Ceccato, D. Zafiropoulos: "A multitracer study of peat profiles from Tunguska, Siberia", Global and Planetary Change 53, pp. 278-289, 2006. (pdf, 569 kb)

Longo G., Di Martino M., Andreev G., Anfinogenov J., Budaeva L., Kovrigin E.: "A new unified catalogue and a new map of the 1908 tree fall in the site of the Tunguska Cosmic Body explosion." In: Asteroid-comet Hazard-2005, pp. 222-225, Institute of Applied Astronomy of the Russian Academy of Sciences, St. Petersburg, Russia, 2005. (pdf, 211 kb)

Longo G.: O tungusskoj zagadke: versii, gipotezi. In: Vyzovy XXI veka, Globalizaciya i problemy identichnosti v mnogoobraznom mire, Izd. Ogni, Moskva, pp 245-256, 2005 (Russian pdf 4,192 kb)

Tositti Laura, Forlani Luisa, Buoso Crista, De Poli Mario, Ceccato Daniele, Mingozzi Marcella, Sandrini Silvia, Baldacci Daniela, Longo Giuseppe: "A multitracer study of peat profiles from Tunguska, Siberia", 32nd International Geological Conf., Florence 20-28 Aug 2004 (Poster pdf, 119 kb)

Cecchini S., Galli M., Giovannini G., Longo G., Pagliarin A.: Real-Time Monitoring of Environmental Radiation in Tunguska (Siberia). Journal of Geophysical Research. vol.108(D2), pp. 4057-4067 (January 2003) (zip , 399 kb)
Photo: The gamma-ray detector operated by M. Cocchi during the flight Bologna-Krasnoyarsk (14 July 1999).

Evgeniy M. Kolesnikov, Giuseppe Longo, Tatjana Boettger, Natal'ya V. Kolesnikova, Paola Gioacchini, Luisa Forlani, Roberto Giampieri and Romano Serra: Isotopic-geochemical study of nitrogen and carbon in peat from the Tunguska Cosmic Body explosion site. Icarus 161, n. 2, pp. 235-243 (April 2003) (pdf, 394 kb)

Photo: E. M. Kolesnikov (left), A. Shukolyukov (centre) and G. Longo (right) at the poster presentation of the paper at the Asteroids 2001 Conference, Palermo, 11-16 June 2001

Giuseppe Longo and Mario Di Martino: Remote Sensing Investigation of the Tunguska Explosion Area. Proceedings of the International Conference Remote Sensing for Agriculture, Ecosystems, and Hydrology IV. SPIE Vol. 4879, (March 2003). (pdf, 1326 kb)
Photo: Poster presentation in Crete, September 2002.

Longo G. and Di Martino M.: Recalculation of the Tunguska Cosmic Body Parameters on the Basis of the 1938 and 1999 Aerophotosurveys, International Conference ACM2002.  Berlin, July 29 - August 2 2002, ESA SP-500 (2003), pp. 843-846, ESA Special Publications Series (doc , 764 kb)
Photo: From the right: G. Andreev, G. Longo, M. Di Martino, J. Anfinogenov planning the aerophotosurvey during the 1999 expedition in Tunguska

L. Gasperini, In un lago la registrazione della catastrofe di Tunguska, Ricerca e Futuro N. 26, 2002.  (doc in Italian, 889 kb)
Photo: L. Gasperini at work on the lake Cheko (left) and E. Bonatti (right) 

Jopek, T. J.; Gonczi, R.; Froeschle', Ch.; Michel, P.; Longo, G.; Foschini, L.: A main belt asteroid: the most probable cause of the Tunguska event. In: Memorie della Societa' Astronomica Italiana, vol. 73, no. 3, pp. 679-683, September 2002. (doc, 82 kb)

Photo: Christiane Froeschlé and Gennadij Andreev at the poster presentation of the paper at the Asteroids 2001 Conference, Palermo, 11-16 June 2001

L. Foschini, Ch. Froeschlé, R. Gonczi, P. Michel, G. Longo, T.J. Jopek: One Step Forward to the Solution of the Tunguska Mystery. Meteorite!, May 2002. (doc, 16 kb)

Ch. Froeschlé, P. Michel, R. Gonczi, T.J. Jopek, G. Longo, L. Foschini, Long-term dynamics of the Tunguska Cosmic Body, In A. Celletti et al. (Eds): Modern Celestial Mechanics: From Theory to Applications, pp. 383-388, 2002, Kluwer Academic Publishers (Netherlands). (PS 92 kb, PDF 384 kb)

L. Foschini, G. Longo, T.J. Jopek, Ch. Froeschlé, R. Gonczi, P. Michel: On the Atmospheric Dynamics of the Tunguska Cosmic Body. Proceedings of the Meteoroids 2001 Conference. Kiruna (Sweden). ESA SP-495 (2001), p. 371. (PDF, 304 kb)

P. Farinella(*), L. Foschini, Ch. Froeschlé, R. Gonczi, T.J. Jopek, G. Longo, P. Michel: Probable asteroidal origin of the Tunguska Cosmic Body. Astronomy and Astrophysics 377 (2001) 1081-1097. (ps.gz, 1 Mb; PDF, 2.5 Mb)

(*)This work originated from an idea of the late Paolo Farinella, deceased on March 25th, 2000. We dedicate it to him.
This paper has been awarded with the cover of the A&A issue (see image at top left; click on it to enlarge)

G. Longo, E. Bonatti, M. Di Martino, L. Foschini, L. Gasperini: Exploring the site of the Tunguska impact. 7th Workshop of the ESF-IMPACT Scientific Programme: Submarine craters and ejecta-crater correlation. Svalbard (Norway), August 29th - September 3rd, 2001. In: Abstracts and Proceedings of the Norwegian Geological Society, 1, (2001), pp. 48-50 (PDF, 220 kb)

L. Gasperini, F. Alvisi, G. Biasini, E. Bonatti, M. Di Martino, C. Morigi, G. Longo, M. Pipan, M. Ravaioli, F. Sacchetti, M. Sacchi, L. Vigliotti: Geophysical/sedimentological study of a lake close to the epicenter of the great 1908 Siberian (Tunguska) explosion. 7th Workshop of the ESF-IMPACT Scientific Programme: Submarine craters and ejecta-crater correlation. Svalbard (Norway), August 29th - September 3rd, 2001. In: Abstracts and Proceedings of the Norwegian Geological Society, 1, (2001), pp. 29-30 (PDF, 460 kb)

F. Sacchetti: Study of the recent sedimentation and geochemistry of the Cheko Lake (Central Siberia): possible correlations with the Tunguska event . Thesis, University of Bologna (Italy) (contents, 22 kb),

L. Amaroli, G. Andreev, J. Anfinogenov, T. Baskanova, L. Benati, G. Biasini, E. Bonatti, F. Cancelli, J. Casarini, A. Chernikov, T. Chernova, M. Cocchi, C. Deserti, M. Di Martino, I. Doroshin, L. Foschini, L. Gasperini, G. Grechko, E. Kolesnikov, E. Kononov, G. Longo, V. Nesvetajlo, G. Palazzo, L. Pavlova, M. Pipan, M. Sacchi, R. Serra, I. Tsvetkova, N. Vasiliev, L. Vigliotti, P. Zucchini: A multidisciplinary investigation in the site of the Tunguska explosion. IX GIFCO: What are the prospects for cosmic physics in Italy?, edited by S. Aiello and A. Blanco. SIF Conference Proceedings 68, Bologna (2000), p. 113. (PDF, 581 kb)

G. Longo, S. Cecchini, M. Cocchi, M. Di Martino, M. Galli, G. Giovannini, A. Pagliarin, L. Pavlova, R. Serra: Environmental radiation measured in Tunguska (Siberia) and during the flights from Forlì-Krasnoyarsk-Forlì. IX GIFCO: What are the prospects for cosmic physics in Italy?, edited by S. Aiello and A. Blanco. SIF Conference Proceedings 68, Bologna (2000), p. 121. (PDF, 67 kb)

M. Di Martino, G. Longo: An Italian Scientific Expedition in Tunguska. 3rd National Meeting of Planetary Sciences. Edited by A. Manara and E. Dotto. Bormio 24-30 January 2000, p. 35.

M. Pipan, L. Baraldello, E. Forte, L. Gasperini, E. Bonatti, G. Longo: Ground penetrating radar study of the Cheko lake area (Siberia). 8th International Conference on Ground Penetrating Radar, In David A. Noon, Glen F. Stickley, Dennis Longstaff Eds, SPIE PRESS, vol. 4084, pp. 329-334, 2000. (PDF, 67 kb; Fig. 2 4 Mb!!; Fig. 3 802 kb)

G. Longo and the Tunguska99 Expedition Team: Preliminary results of the Tunguska99 Expedition. 31st Annual Meeting of the Division for Planetary Sciences of the American Astronomical Society (Padova, October 10-15, 1999). Bulletin of the American Astronomical Society 31, (1999), p. 1591.

Di Martino, P. Farinella, G. Longo: Search for cosmic matter in a Tunguska lake. Asteroids, Comets, Meteors 99 (Cornell University, 26-30 July 1999).

M. Di Martino, G. Longo: Tunguska99 Expedition. Proceedings of the Krasnoyarsk Conference 30 June - 2 July 1998, p. 157-159 - (English - Italian - Russian)

P. Farinella, G. Longo: Il cratere che non c'è. ScienzaNuova, September 1998, p. 36.

G. Longo, M. Galli and R. Serra: The testimony of the surviving Tunguska trees, Contribution to the International Conference Tunguska96 (Bologna, 14-17 July 1996), (htm, 6 kb); Program, Abstracts, Participants of the Tunguska96 Conference (htm, 191 kb).

Di Martino M., Farinella P., Longo G., Foreword of the Tunguska issue. In: Di Martino M, Farinella P, Longo G (eds) “Tunguska96.” Planet Space Sci, special issue 46(2–3), p. 125, 1998 (htm, 2 kb).

G. Longo: Zhivyie svideteli Tungusskoj katastrofy. Priroda, 1, pp. 40-47, (1996). (Russian zip, 2150 kb).

M. Galli, G. Longo, R. Serra and S. Cecchini: Some effects of the Tunguska impact on the wood of surviving conifers, Contribution to the Moscow-Tomsk-Vanavara Conference on Tunguska, 18-24 July 1995.

G. Longo, R. Serra: Some answers from Tunguska mute witnesses. Meteorite! 4, pp. 12-13, (1995).

R. Serra, S. Cecchini, M. Galli, G. Longo: Experimental hints on the fragmentation of the Tunguska Cosmic Body. Planetary and Space Science, 42, n. 9, pp. 777-783, (1994).

G. Longo, R. Serra, S. Cecchini, M. Galli: Search for microremnants of the Tunguska Cosmic Body. Planetary and Space Science, 42, n. 2, pp. 163-177, (1994).

M. Galli, G. Longo, R. Serra, S. Cecchini: La spedizione al luogo della catastrofe di Tunguska (20 luglio-1 agosto 1991). Il Nuovo Saggiatore, 9, n. 5-6, pp. 85-94, (1993).

S. Cecchini, M. Galli, G. Longo, R. Serra: Identikit di un'esplosione, Sapere, 1, pp. 9-15, (1992).

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