仅论中国东北落叶阔叶林区的北界

钱家驹

DISCUSSION ON THE NORTHERN BOUNDARY OF DECIDUOUS BROAD-LEAF FOREST REGION IN N.E.CHINA

Qian Jiaju

地理科学 . 1983, (1): 79 -82 . DOI: 10.13249/j.cnki.sgs.1983.01.79