TY  - BOOK
AU  - Derlaga Valerian J ed
AU  -  Winstead Barbara A ed
TI  - Friendship and social interaction
T2  - Springer series
U1  - S8, M6 
PY  - 1986///
CY  - N.Y
PB  - Springer Verlag      
KW  - SOCIAL PSYCHOLOGY
ER  -