TY  - BOOK
AU  - Liebert,Robert M.
AU  - Poulos,Rita Wicks
TI  - Developmental psychology
SN  - 0132081091
AV  - BF713 .L53
PY  - 1977///
CY  - New Jersey
PB  - Prentice-Hall
KW  - Development psychology
N1  - Includes bibliographical refernces and index
ER  -