TY  - BOOK
AU  - Conger,John Janeway
AU  - Petersen, Anne C.
TI  - Adolescence and youth: Psychological development in a changing world 
SN  - 0060413573
AV  - HQ796 C66 1983
PY  - 1983///
CY  - Cambridge, México
PB  - Harper & Row
KW  - Adolescencia
ER  -