1. S. M. Fredman, J. Insect Physiol.21, 265 (1975).
2. A. Shiraishi and N. Miyachi, J. comp. Physiol.110, 97 (1976).
3. V. G. Dethier, in: The hungry fly, p. 210. Harvard University Press, 1976.
4. B. Stürckow, in: Olfaction and Taste, vol. 2, p. 707 Ed. T. Hayashi. Pergamon Press, Oxford 1967.
5. M. Moulins and Ch. Noirot, in: Olfaction and Taste, vol. 4, p. 49. Ed. D. Schneider. Wissenschaftliche Verlagsgesellschaft, MHB 1972.