TY  - BOOK
AU  - Hopper,Robert
AU  - Naremore,Rita C.
TI  - Children's speech: a practical introduction to communication development
SN  - 0060447222
AV  - P136 .H6
U1  - 401.930 83 HOP N 
PY  - 1973///]
CY  - New York
PB  - Harper & Row
KW  - Language acquisition
N1  - Bibliography: p. 135-138
ER  -