TY - BOOK AU - Lamb, Michael E., AU - Campos, Joseph J. ED - ED - ED - ED - TI - : an introduction SN - 0394322878 : SN - 2 PY - 1982///];copyright 1982.46 CY - New York PB - Random House KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Development KW - Infants;Infant psychology N1 - Includes indexes; Bibliography: p. 237-258; 5 ER -