1. J. KOBAYASHI and N. HAGINO, Progress Report WP 00359 (Japan, Okayama University, 1965).
2. Agronomic Controls Over the Environmental Cycling of Trace Elements
3. Inorganic Pollution and Agriculture;DAVIES,1979
4. Chemistry, Biochemistry and Biology of Cadmium;PETERSON,1979
5. Cadmium: Uptake by Vegetables from Superphosphate in Soil