TY  - BOOK
AU  - x, x
AU  - Lee,Ronald  Demos
TI  - Population  patterns  in  the  past: x
SN  - x     
U1  - 304.6/LEP 
PY  - 1977///
CY  - N. Y.
PB  - Academic
KW  - population
KW  - Sociology
ER  -