D. H.  Clayton and Tompkins, D. M., ?Ectoparasite virulence is linked to mode of transmission?, Proceedings of the Royal Society of London, Series B, Biological Sciences, vol. 256, no. 1347, pp. 211 - 217, 1994.

D. H.  Clayton and Tompkins, D. M., ?Comparative effects of mites and lice on the reproductive success of rock doves (Columba livia)?, Parasitology, vol. 110, no. 2, pp. 195 - 206, 1995.