Comment and reply to Tunguska "crater" paper now available online

Paul bristolia at yahoo.com
Sat Jun 7 16:54:18 EDT 2008

The comment and reply on the alleged crater associated with the
Tunguska impact event are now online and free to download.

The original paper is:

Gasperini, L., F. Alvisi, G. Biasini, E. Bonatti, G. Longo, M.
Pipan, M. Ravaioli and R. Serra, 2008, A possible impact
crater for the 1908 Tunguska Event. Terra Nova. vol. 19,
no. 4, pp. 245-251 doi: 10.1111/j.1365-3121.2007.00742.x

Web page
http://www.blackwell-synergy.com/doi/abs/10.1111/j.1365-3121.2007.00742.x

PDF file
http://www.blackwell-synergy.com/doi/pdf/10.1111/j.1365-3121.2008.00792.x

The comment and reply are:

Collins, G. S., N. Artemieva, K. Wünnemann, P. A. Bland,
W. U. Reimold, and C. Koeberl, 2008, Evidence that Lake
Cheko is not an impact crater. Terra Nova. vol. 20, no. 2,
pp. 165–168 doi:10.1111/j.1365-3121.2008.00791.x

Web Page
http://www.blackwell-synergy.com/doi/abs/10.1111/j.1365-3121.2008.00791.x

PDF file
http://www.blackwell-synergy.com/doi/pdf/10.1111/j.1365-3121.2008.00792.x

Gasperini, L., Enrico Bonatti, and Giuseppe Longo, 2008, Lake
Cheko and the Tunguska Event: impact or non-impact? Terra Nova.
vol. 20, no. 2, pp. 169-172, doi: 10.1111/j.1365-3121.2008.00792.x

Web Page
http://www.blackwell-synergy.com/doi/abs/10.1111/j.1365-3121.2008.00792.x

PDF file
http://www.blackwell-synergy.com/doi/pdf/10.1111/j.1365-3121.2008.00792.x

Yours,

Paul H.