References
- Wallace , A. , Romney , E. M. , Kinnear , J. and Alexander , G. V. 1980 . Single and multiple trace metal excess effects on three different plant species . Jour. Plant Nutr. , 1 : 11 – 23 .
- Wallace , A. , Romney , E. M. and Alexander , G. V. 1981 . Multiple trace element toxicities in plants . Jour. Plant Nutr. , 3 : 257 – 263 .
- Wallace , A. 1982 . Additive, protective, and synergistic effects on plants with excess trace elements . Soil Science , 133 : 319 – 323 .