TY  - BOOK
AU  - Overbeek Johannes
TI  - Population challenge :  A handbook for non-speciali   
T2  - Contribution in sociology . Ed by John Martindale
U1  - Y:5, L6 
PY  - 1976///
CY  - London
PB  - Greenwood          
N1  - Bibliography : P200-204; Glossary : P196-299
ER  -