Literature
Authors(s) Ewert, M. A.
Year 1991
Title Cold torpor, diapause, delayed hatching and aestivation in reptiles and birds. In: D. C. Deeming, and M. W. J. Ferguson (eds.), Egg incubation: its effects on embryonic development in birds and reptiles, pp. 173-191. Cambridge Univ. Press, New York.