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k tec group
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Cretaceous-Tertiary extinctions and possible terrestrial and extraterrestrial causes
K-TEC Group · National Museums of Canada
151 sayfa · 1982
Paleontology / Congresses / Extinct animals / Geophysics / Supernovae
K-TEC II, Cretaceous-Tertiary extinctions and possible terrestrial and extraterrestrial causes
K-TEC Group. · National Museums of Canada, National Museum of Natural Sciences
151 sayfa · 1982
Comets / Congresses / Cretaceous-Tertiary boundary / Extinction (Biology) / Geophysics
K-TEC II
K-TEC Group. · National Museums of Canada
151 sayfa · 1982
Comets / Congresses / Extinct animals / Meteorites / Paleontology