TY  - BOOK
AU  - Thanh N C
AU  -  Biswas Asit K
TI  - Environmentally sound water management
U1  - X9(D2):8.1(X).N9, N0 
PY  - 1990///
CY  - Delhi
PB  - Oxford University Press India       
KW  - Engneering
N1  - Bibliography chapterwise
ER  -