COMMUNIST CHINA'S SCIENCE AND TECHNOLOGY: SELECTED TRANSLATIONS NO. 31.
JOINT PUBLICATIONS RESEARCH SERVICE WASHINGTON D C
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Contents The relationship between straight-line, scat tered, and total solar radiation in China, by Tso TaKang and Kung Jan Maps of Shan-Hwei River System and North China Topographnorth China Plain and its geochemical characteristics abstract, by Chen Chingsheng On several basic problems in the division of natural regions, by Ching Kui-he Outline of the 1962 academic conference on the division of natural regions, by Chin Chuanjen