00000cam a22000004a 4500 UP-1685594773861341052 Buklod 20070906151257.0 i|||||||||||||| | ta 070906s1981 xx d r |||| u| 0037-976X (iLib)UPBAG-00000018870 LB 1103 S63 v.46 no.2 1981 Siegler, Robert S. Developmental sequences within and between concepts Robert S. Siegler ; with commentary by Sidney Strauss and Iris Levin ; and reply by the author. Chicago, Ill. Published by the University of Chicago Press for the Society for Research in Child Development 1981. 84 p. ill. 23 cm. Monographs of the Society for Research in Child Development, 0037-976X serial no. 189 = v. 46, no. 2 Includes bibliographical references. Cognition in children. Strauss, Sidney. Levin, Iris. UPBAG UPBAG-MAIN LB 1103 S63 Book