恽锐, 李建东. 松嫩平原羊草、虎尾草群落钙元素时空分布的比较研究. 植物生态学报, 1998, 22(2): 143-148
Yun Rui, Li Jiandong. Comparative Studies on the Temporal and Spatial Distribution of Calcium in Leymus chinensis Community and Chloris virgata Community In The Song-Nen Plain China. Chinese Journal of Plant Ecology, 1998, 22(2): 143-148