TY  - BOOK
AU  - Berghe P L van den
TI  - Human family systems: an evolutionary view
SN  - 044499064X
U1  - 306.85 
PY  - 1979///
CY  - New york
PB  - Elsevier North Holland
KW  - Families
KW  - Kinship
KW  - Social evolution
KW  - Sociobiology
ER  -