TY  - BOOK
AU  - Coleman David
AU  -  Schofield Roger Ed.
TI  - State of population theory:  Forward from Malthus   
U1  - XxL66:g(Y:5), M6 
PY  - 1986///
CY  - London
PB  - Blackwell          
N1  - Bibliography chapterwise
ER  -