EN中文
STUDIES ON THE NATURAL RESOURCES AND THE ESTABL- ISH1NG OF NATIONAL CROP COMMODITY BASE IN HUANG-HUAI-HAI REGION
Han Xiangling, Liu Xunhao, Qu Manli, Wang Hongguang
JOURNAL OF NATURAL RESOURCES . 1993, (2): 105 -114 .  DOI: 10.11849/zrzyxb.1993.02.002