00702cam a2200265 a 4500 ocm04865432 790626s1979 xxua b 001 0 eng d 78064730 9780721689364 0721689361 78064730 und xxu BF713 .T87 155 @ Turner, Jeffrey S. Life span development / Jeffrey S. Turner, Donald B. Helms. Philadelphia : Saunders, 1979. xiv, 541 p. : ill. ; 28 cm. Includes indexes. Bibliography: p. 493-521. Developmental psychology. Helms, Donald B. 0 645 645 0 0 ddc 0 0 DAPA DAPA 2014-07-24 0 155 TUR APA030285 2014-07-24 1 2014-07-24