我国豆科植物属的地理分布型及其结瘤固氮性
刘雪华
THE DISTRIBUTION TYPES OF GENGRA OF LEGUMINE IN CHINA AND THEIR CHARACTERS OF NODULATION AND NITROGEN-FIXATION
Liu Xuehua
地理研究 . 1995, (3): 97 -104 .  DOI: 10.11821/yj1995030012