李四光,赵亚增
J. S. LEE,Y. T. CHAO HISTORICAL
During his epoch-making exploration in China, von Richthofen~1 divided the Palaeozoic coal-bearing series in Shansi into 3 subdivisions:
李四光,赵亚增.1926. GLASSIFIOATION AND CORRELATION OF PALAEOZOIC COAL-BEARING FORMATIONS IN NORTH OHINA[J]. ACTA GEOLOGICA SINICA(English edition),5(2):
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