TY  - BOOK
AU  - Caldwill,John C.
TI  - Theory of fertility decline / 
SN  - 012155080X
U1  - 304.632 
PY  - 1982///
CY  - London : 
PB  - Academic Press , 
KW  - FAMILY SIZE-SOCIAL ASPECTS UNDERDEVELOPED AREAS
N1  - Includes references
ER  -