PDF(894 KB)
PDF(894 KB)
PDF(894 KB)
竺可桢同志与我国热带和海南岛的科学研究(一)我国热带、亚热带界线问题
DR.ZHU KEZHEN (CO-CHING CHU) AND SCIENTIFIC INVESTIGATIONS OF TROPICAL CHINA (1) THE DEMARCATION OF TROPICAL AND SUBTROPICAL BELTS
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