542,851 LEARNING Learning and memory drugs as reinforcer : Proceedings of a Symposium on the Pharmacology of Learning [..], Hakone, July 25, 1981 and a Symposium on Drugs as Reinforcer, Tokyo, July 25, 1981. Satellite Symposia to the VIII International Congress of Pharmacology, Japan, 1981 / ed. Shoji Saito, Tomoji Yanagita. — Amsterdam ; Oxford ; Princeton : Excerpta Medica, 1982. — XII, 321 s. : il., wykr. ; 25 cm ( Excerpta Medica ; ISBN 90-219-0620-1 International Congress Series ; nr 620) !SBN 0-444-90320-8