TY  - BOOK
AU  - Bates,Elizabeth
AU  - Tomasello,Michael
TI  - Language development: the essential readings 
SN  - 0631217452 (pbk.)
PY  - 2001///
CY  - Malden, MA
PB  - Blackwell Publishers
KW  - Language acquisition
N1  - Includes bibliographical references and index
ER  -