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[7]
Heavy Metal Concentrations in Gray Calcareous Soils of Baiyin Region, Gansu Province, P.R. China[J] . Zhongren Nan,Chuanyan Zhao.Water, Air, and Soil Pollution . 2000 (1)
[8]
Monitoring of Phytotoxicity of Lead and Mercury from Germination and Early Seedling Growth Indices in Two Rice Cultivars[J] . Anita Mishra,M. A. Choudhuri.Water, Air, and Soil Pollution . 1999 (3)