Opinions often differ among coal petrographers as to the relative ad-vantages of the thin sections and the polished sections.In reality both of themare useful and they should be used simultaneously in order to get a clear and
Abstract:
Opinions often differ among coal petrographers as to the relative ad-vantages of the thin sections and the polished sections.In reality both of themare useful and they should be used simultaneously in order to get a clear and
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計榮森.1933. ON THE OCCURRENCE OF FOSSIL ESTHERIA IN CHINA, AND ITS GEOLOGICAL SIGNIFICANCE[J]. ACTA GEOLOGICA SINICA(English edition),12(0):189~223