TY  - BOOK
AU  - World Health Organization
TI  - Operation and maintenance of urban water supply and sanitation systems: a guide for managers
SN  - 92-4-154471-6
U1  - 614.777 
PY  - 1994///
CY  - Geneva
PB  - World Health Oraganization
KW  - WHO
KW  - Public health -- Epidemiology
N1  - Gift; WHO, public health, epidemiology, global health
ER  -