Research on the bioavailability and spatial distribution of heavy metals in suburb cropland, Jinchang city, Gansu, China
Liu Xiaowen, Ding Haixia, Nan Zhongren, Zhao Zhuanjun, Li Yuan
Ecology and Environment . 2009, (1): 138 -142 .  DOI: 10.16258/j.cnki.1674-5906(2009)01-0138-05

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