1. Hensel, H., K. Bruck, and P. Raths, in “Temperature and Life,” Edited by H. Precht, J. Christophersen, H. Hensel, and W. Larcher, Springer-Verlag, Berlin, Germany, 1973, pp. 505–732.
2. Pengelley, E.T., in “Mammalian Hibernation III,” Edited by K.C. Fischer, A.R. Dawe, C.P. Lyman, E. Schonbaum, and F.E. South, Jr., Oliver and Boyd, London, England, 1967, pp. 1–29.
3. Johansson, B.W., Ibid.“, pp. 200–219.
4. Johansson, B.W., in “Depressed Metabolism,” Edited by X.J. Musacchia and J.F. Saunders, Elsevier, New York, N.Y., 1969, pp. 313–375
5. Sarajas, H.S.S., Acta Physiol. Scand. 32:28 (1954).