Extraterrestrial Cause for the Cretaceous-Tertiary Extinction Luis W. Alvarez; Walter Alvarez; Frank Asaro; Helen V. Michel Science, New Series, Vol. 208, NoJun. 6, 1980), ppStable URL: http: links - Luis Walter Alvarez - Document - PDFSEARCH.IO

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	Extraterrestrial Cause for the Cretaceous-Tertiary Extinction Luis W. Alvarez; Walter Alvarez; Frank Asaro; Helen V. Michel Science, New Series, Vol. 208, NoJun. 6, 1980), ppStable URL: http://links Add to Reading List Document Date: 2007-11-29 22:10:28 Open Document File Size: 2,98 MB Share Result on Facebook

Extraterrestrial Cause for the Cretaceous-Tertiary Extinction Luis W. Alvarez; Walter Alvarez; Frank Asaro; Helen V. Michel Science, New Series, Vol. 208, NoJun. 6, 1980), ppStable URL: http://linksAdd to Reading List