1. Acree, F., M. Beroza, and M. C. Bowman (1963). J. Agr. Food Chem.11: 278.
2. Appleby, W. G. (1969). Pesticide residues in our environment. Paper presented to IUCN, Delhi, November 24-December 1. (Indirectly cited from Hurtig, 1972.)
3. Bailey, T. E., and J. R. Hannum (1967). J. Sanitary Eng. Div., Proc. Am. Soc. Civil Eng.93 (SA5): 27.
4. Blinn, R. C., G. E. Carman, W. H. Ewart, and F. A. Gunther (1959). J. Econ. Entomol.52: 1038.
5. Bowman, M. C., F. Acree, C. H. Schmidt, and M. Beroza (1959). J. Econ. Entomol.52: 1038.