TY  - BOOK
AU  - Zopf,Paul E.
TI  - Population: an introduction to social demography 
SN  - 087484715X (cased)
U1  - 304.6 ZOP 
PY  - 1984///
CY  - Palo Alto
PB  - Mayfield
KW  - Population
KW  -  Social aspects
N1  - Bibliography: p470-487
ER  -