TY  - BOOK
AU  - United Nations Environment Progamme
ED  - United Nations Environment Progamme
TI  - Methodological guidelines for the integrated envir
T2  - Internation Hydrological Programme Publication
U1  - X9(D85):(G:55), M7 
PY  - 1987///
CY  - Paris
PB  - Unesco          
KW  - Electrical
ER  -