1. ASCHOFF, J. (1964): Die Bedeutung der Tagesperiodik für Tierhaltung und Tierexperiment. In: Die Umwelt der Versuchstiere. W.H. Weihe (ed.), Huber, Bern, 43–65.
2. BRIDGES, C.D.B. (1959): Visual pigments of some common laboratory mammals. Nature (Lond.), 184: 1727–1728.
3. CHANCE, M.R.A. (1947): Factors influencing the toxicity of sympathomimetic amines to solitary mice. J.Pharm.Pharmacol., 89: 289–296.
4. COBB, K.W. (1963): Lighting criteria for animal housing. Lab. Anim. Care, 13: 332–339.
5. ELLIS, T.M. (1967): Environmental influences on drug responses in laboratory animals. In: Husbandry of Laboratory Animals. M. L. Conalty (ed.) Academic Press, London and New York, 569–588.