~ tracking down this book ~
only cover on file
Cretaceous-tertiary Extinctions and Possible Terrestrial and Extraterrestrial Causes
by K-TEC Group.
“proceedings of the workshop held in Ottawa, Canada, 16-17 November, 1976”
1977162 pages~3h read
only cover on file
Cretaceous-tertiary Extinctions and Possible Terrestrial and Extraterrestrial Causes
by K-TEC Group.
“proceedings of the workshop held in Ottawa, Canada, 16-17 November, 1976”
1977162 pages~3h read
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