1. Lyon, M. F., Cattanach, B. M. & Charlton, H. M. in Mechanisms of Sex Determination in Animals and Man (eds Austin, C. R. & Edwards, R. G.) 329–386 (Academic, New York, 1981).
2. Eicher, E. M. in Prospects for Sexing Mammalian Sperm (eds Amann, R. P. & Seidel, G. E. Jr) 121–135 (Colorado Associated University Press, Boulder, 1982).
3. Dickie, M. M. Mouse News Lett. 32, 43–44 (1965).
4. Bennett, D. B. Cell 6, 441–454 (1975).
5. Johnson, D. R. Genetics 76, 795–805 (1974).