1. Baker, D. E. and Chesnin, L.: 1975, ?Chemical Monitoring of Soils for Environmental Quality and Animal and Human Health?, Adv. Agron. 27, 305?374.
2. Berrow, M. L. and Webber, J.: 1972, ?Trace Elements in Sewage Sludge?, J. Sci. Fd. Agric. 23, 93?100.
3. Bengtson, G. W. and Cornette, I. J.: 1973, ?Disposal of Composted Municipal Waste in a Plantation of Young Slash Pine; Effects on Soils Trees?, J. Environ. Qual. 2, 441?444.
4. Chaney, R. L.: 1974, ?Recommendations for Managements of Potentially Toxic Elements in Agricultural and Municipal Wastes?, in Factors involved in Land Application of Agricultural and Municipal Wastes (Draft). National program staff, soil, water, and air Sciences, ARS, USDA, Belteville, Md. pp. 97?120. Reported in Loch et al., 1979. Land application of wastes, Vol. 11, Van Nostrand Reinhold Environmental Engineering Series, pp. 431.
5. Report of the Western Regional Research Committee W ? 124. Bull.;L. Chesnin,1975