TY  - BOOK
AU  - Achenbach,Thomas M.
TI  - Research in developmental psychology: concepts, strategies, methods 
SN  - 0029001803 :
U1  - 136.5 
PY  - 1978///
CY  - New York
PB  - Free Press
KW  - Developmental psychology
KW  - Psychology
KW  - Research
N1  - Includes bibliographical references and index
ER  -