1. Barton-Browne, L. B.: Water regulation in insects. Ann. Rev. Ent. 9, 63?82 (1964).
2. Beament, J. W. L.: Water transport in insects. Symp. Soc. exp. Biol. 8, 94?117 (1954).
3. Belozerov, V. N., and L. N. Seravin: Water balance regulation in Alectrobius tholozani at different atmospheric humidity. Med. Parasitol. and Parasit. Dis. USSR 3, 308?313 (1960).
4. Bolwig, N.: On the variation of the osmotic pressure of the haemolymph in flies. S. Afr. Ind. Chemist 7, 113?115 (1953).
5. Briggs, D. R.: Gels and the water relationships of the hydrophilic colloids. In: R. A. Gortner and W. A. Gortner, Outlines of Biochemistry. New York: J. Wiley, Inc. 1950.