1. Roberts, E., Chase, T. N. & Tower, D. B., Eds., 1976. GABA in Nervous System Function, Raven Press, New York.
2. Fonnum, F. Ed., 1978. Amino Acids as Chemical Transmitters, Plenum Press, New York, London.
3. Krogsgaard-Larsen, P., Scheel-Krüger, J. & Kofod, H. Eds., 1979. GABA-Neurotransmitters. Pharmacochemical, Biochemical and Pharmacological Aspects, Munksgaard, Copenhagen.
4. Pepeu, G., Kuhar, M. J. & Enna, S. J. Eds., 1980. Receptors for Neurotransmitters and Peptide Hormones, Raven Press, New York.
5. Costa, E., DI Chiara, G. & Gessa, G. L., Eds., 1981. GABA and Benzodiazepine Receptors, Raven Press, New York (in press).