TY  - BOOK
AU  - Van den Berghe,Pierre L.
TI  - Age and sex in human societies: a biosocial perspective 
SN  - 0534003117
AV  - HM 131 .V23
PY  - 1973///
CY  - California
PB  - Wadsworth
KW  - Age group
KW  - Age groups
KW  - Sex role
KW  - Social interaction
N1  - Includes bibliographical references and index
ER  -