TY  - BOOK
AU  - Braat L C
AU  -  Gilbert A J
TI  - Modelling for populaltion and sustainable development
T2  - Institute of Environmental Studies. International Social Science Council
SN  - 0415061873
U1  - X:75:(B), N1 
PY  - 1991///
CY  - London
PB  - Routledge Publications         
KW  - Economic Planning
ER  -