1. Bush, G. L. Bull. Mus. comp. Zool. Harv. 134, 431–562 (1966).
2. Bush, G. L. Evolution 23, 237–251 (1969).
3. Bush, G. L. in Genetic Mechanisms of Specialion in Insects (ed. White, M. J. D.) 3–23 (Australian and New Zealand Book, Sydney, 1974).
4. Bush, G. L. in Evolutionary Strategies of Parasitic Insects and Mites (ed. Price, P. W.) 187–206 (Plenum, London, 1975).
5. Bush, G. L. & Diehl, S. R. in Insect-Plant Relationships (eds Visser, J. H. & Minks, A. K.) 297–305 (Pudoc, Wageningen, 1982).