TY  - BOOK
AU  - Osborn, Fairfield (Ed.)
TI  - Our crowded planet: essays on the pressures of population
U1  - 301.32 21st
PY  - 1963///
CY  - London
PB  - George Allen and Unwin
KW  - Population; Population-Environmental aspects; Population dencity; Human ecology; Fertility, Human
ER  -