TY - BOOK AU - Sigelman, Carol K TI - Life-span human development SN - 9780534553814 (pbk) U1 - 155 PY - 2006/// CY - China PB - Thomson KW - Psychology KW - Life-span human development KW - Developmental psychology KW - Life cycle, Human KW - Developmental biology KW - PSY N1 - Include index ER -