1. F. O. Schmitt, P. Dev, and B. H. Smith,Science 193, 114 (1976).
2. C. I. J. M. Stuart, Y. Takahashi, and H. Umezawa,J. Theor. Biol. 71, 605 (1978).
3. M. R. Rosenzweig and E. L. Bennett, eds.,Neural Mechanisms in Learning and Memory (MIT, Cambridge, Mass., 1976).
4. A. Rémond, ed.,Handbook of Electroencephalography and Clinical Neurophysiology, Vol. 6a,The EEG of the Waking Adult (Elsevier, Amsterdam, 1976).
5. R. Elul,Int. Rev. Neurobiol. 15, 227 (1972).