TY - BOOK AU - Owens,Robert E. TI - Language development: an introduction SN - 0675208068 (pbk.) AV - P118 .O93 1988 U1 - 401/.9 19 PY - 1988/// CY - Columbus PB - Merrill Pub. Co. KW - Language acquisition KW - Local N1 - Includes indexes; Bibliography: p. 399-448 ER -