TY  - BOOK
AU  - Place,Francis
AU  - 
TI  - Illustrations and proofs of the principle of population. 
U1  - 364.42/PLI 
PY  - 0000///Allen & Unwin
PY  - 1967///
CY  - London 
KW  - Populations
N1  - Includes index and bibliography.
ER  -