TY  - BOOK
AU  - Immelmann,Klaus
TI  - Behavioral development: the Bielefeld interdisciplinary project 
PY  - 1981///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Child psychology
KW  - Developmental psychology
KW  - Psychology, Comparative
N1  - Includes bibliographical references and index
ER  -