TY  - BOOK
AU  - Van Lelyveld H
AU  -  Zoeteman B C J
TI  - Water supply and health: Proceedings   
T2  - Studies In Envirenmental Science. 12
SN  - 0444419608
U1  - D85, M1 
PY  - 1981///
CY  - Amsterdam
PB  - Elsvier Scientific         
KW  - Computer Science
ER  -