1. Alawi, A. A.: Electrophysiological investigation of genetically dissected visual processes inDrosophila melanogaster. Ph. D. thesis, Purdue University (1972)
2. Alawi, A. A., Jennings, V., Grossfield, J., Pak, W. L.: Phototransduction mutants ofDrosophila melanogaster. In: The visual system: neuro-physiology, biophysics and their clinic application, p. 1?21 (G. B. Arden, ed.). New York: Plenum 1972
3. Autrum, H., Burkhardt, D.: Spectral sensitivity of single visual cells. Nature (Lond.)190, 639 (1961)
4. Burkhardt, D.: Spectral sensitivity and other response characteristics of single visual cells in the arthropod eye. Symp. Soc. exp. Biol.16, 86?109 (1962)
5. Cosens, D., Briscoe, D.: A switch phenomenon in the compound eye of the white-eyed mutant ofDrosophila melanogaster. J. Insect Physiol.18, 627?632 (1972)