TY  - BOOK
AU  - Matras Judah
TI  - Introduction to population :  A sociological approa   
U1  - Y:5, L7 
PY  - 1977///
CY  - Englewood
PB  - Cliffs N J Prentice-Hall       
N1  - Bibliography : P427-441; Appendix : P383-425
ER  -