1. Biddinger GR, Gloss SP (1984) The importance of trophic transfer in the bioaccumulation of chemical contaminants in aquatic eco-systems. Residue Reviews 91:103 -145
2. Carter FL, Stringer FA (1970) Soil moisture and soil type influence initial penetration by organochlorine insecticides. Bull Environ Contam Toxicol 5:422?428
3. Conant R (1975) A field guide to reptiles and amphibians of eastern and central North America. Houghton Mifflin, Boston 429 pp
4. Cooke FT Jr, Parvin DW Jr (1981) Insecticide use on cotton in the United States-1969, 1971, and 1972. USDA. Economics and Statistics Service. Washington, DC
5. Cotton WD (1965) Tolerance of five chlorinated hydrocarbon insecticides in two species of fish from a transect of the lower Mississippi River. MS Thesis. Mississippi State Univ MS State, MS 26 pp