TY  - BOOK
AU  - Hopper, R.
AU  - Naremore, R.C
TI  - Children's speech: a practical introduction to communication development
SN  - 060447222
AV  - DUCE P136.H6 
PY  - 1973///
CY  - New York
PB  - Harper& Row
N1  - includes bibliographical references and index
ER  -