Learning and individual differences : process, trait, and content determinants / edited by Phillip L. Ackerman, Patrick C. Kyllonen, Richard D. Roberts. - Washington, DC : American Psychological Association, c1952. - xxii, 482 p. : ill. ; 26 cm. Includes bibliographical references and indexes. ISBN: 1557985367 (casebound : alk. paper) LCCN: 98031084 Subjects--Topical Terms: Learning, Psychology of.Individual differences. LC Class. No.: BF318 / .L3853 1952 Dewey Class. No.: 153.1/5