TY - GEN AU - Smith Peter K AU - Cowie,Helen TI - Understanding children's development T2 - Basic psychology SN - 0631177922 AV - BF721 U1 - 155.4 20 PY - 1991/// CY - Oxford, OX, UK, Cambridge, Mass., USA PB - Basil Blackwell KW - Child development KW - Child Psychology N1 - Includes bibliographical references (p. [453]-479) and index ER -