Willerman, Lee . Readings about individual and group differences / edited by Lee Willerman and Robert G. Turner. - San Francisco : W. H. Freenman , 1979. - vii, 330p. : tables ; 24cm . Includes bibliography and index ISBN: 0716710145 USD 10.95 Subjects--Index Terms: DIFFERENCE Dewey Class. No.: 155.22 / WIL/R