Pavlovian second-order conditioning : studies in associative learning / Robert A. Rescorla. Rescorla, Robert A. Paired-association learning. Classical conditioning. 153.152 REP Includes indexes. Bibliography: p. 114-117. New York : distributed by Halsted, 1980. 1980. 1980 Text viii, 120 p. ; eng John M. MacEachran memorial lecture series