HT_013666 Psychiatric Aspects of Neurologic Disease. D. Frank Benson and Dietrich Blumer, Grune and Stratton, N.Y. 1975. Drives and Reinforcements. James Olds. Raven, N.Y. 1977 Neurobiology of Stereotyped Behavior. S.J. Cooper and C.T. Dourish. Clarendon, Oxford, 1990. Mathematics Unlimited—2001 and Beyon