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Osmium isotopic evidence against an impact at the Frasnian-Famennian boundary
Gordon, G. W., Rockman, M., Turekian, K. K., Over, J.Volume:
309
Language:
english
Journal:
American Journal of Science
DOI:
10.2475/05.2009.03
Date:
May, 2009
File:
PDF, 332 KB
english, 2009