1. Agnihotri, N. P.: 1999, Pesticide Safety Evaluation and Monitoring. Division of Agriculture Chemicals, Indian Agricultural Research Institute, New Delhi p. 14.
2. Atuma, S. S.: 1985, ‘Residues of organochlorine pesticides in some Nigerian food material’, Bull. Environ. Contam. Toxicol. 35, 735–738.
3. FAO/WHO: 1996, Joint Food Standards Programme, Codex Alimentarius Commission, Codex Committee and Pesticide Residues, Rome'. Vol. 213, 2nd ed.
4. Frank, R., Braun, H. E. and Ripley, B. D.: 1987, ‘Residues of insecticides, fungicides and herbicides in fruit produced in Ontario, Canada, 1980–1984’, Bull. Environ. Contam. Toxicol. 39, 272–279.
5. Kaphalia, B. S., Takroo, R., Mehrotra, S., Nigamu, and Seth, T. D.: 1990, ‘Organochlorine pesticide residues in different Indian cereals, pulses, vegetables, spices, fruits, milk, butter, desi ghee and edible oil’, JAOAC 73, 509–512.