1) Gibbs, P. E. & G. W. Bryan (1986) “Reproductive failure in populations of the dog-whelk, Nucella lapillus, caused by imposex induced by tributyltin from antifauling paints,” J. Mar. Biol. Assoc. UK, 66, 767-777.
2) Fry. D. M. et al (1987) “Sex ratio skew and breeding patterns of gulls: demographic and toxicological considerations,” Stud. Avian. Biol., 10, 9-12.
3) Soto, A. M., H. Justicia., J. W Wray., and C. Sonnenschein, (1991) P-Nonyl-phenol: An estrogenic xenobiotic released from “modified” polystyrene. Environmental Health Perspective, 92, 167-173.
4) Sumpter. J.P, and S. Jobling, (1995) Vitellogenesis as a biomarker of estrogenic contamination in the aquatic environment. Environmental Health Perspective, 103, 173-178.
5) Theo Colborn, Dianne Dumanoski, John Peterson Myers (1996) Our Stolen Future, 306pp, Dutton.