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Part 1 || Definitions of Peat and Coal and of Graphite That Terminates the Coal Series (Graphocite)
J. M. SchopfVolume:
74
Language:
english
Journal:
The Journal of Geology
DOI:
10.2307/30059300
Date:
September, 1966
File:
PDF, 1.46 MB
english, 1966