TY  - BOOK
AU  - Biswas Asit K
TI  - Environmental modelling for developing countries
T2  - Natural Resources and the Environment series ,25. International Society for Ecological Modelling Publication
U1  - U:(G:55):(B), N0 
PY  - 1990///
CY  - London
PB  - Tycooly Publishing U K       
KW  - Geography- Environment
N1  - Bib chapterwise
ER  -