TY  - BOOK
AU  - O' Rourke,Joseph Patrick
TI  - Toward a science of vocabulary development
U1  - 410 
PY  - 1974///
CY  - The Hague
PB  - Mouton
KW  - Children
KW  - Language
KW  - Vocabulary
KW  - Language and languages
KW  - Word frequency
N1  - Includes index; Bibliography: p. 123-130
ER  -