TY  - BOOK
AU  - Dieterich,Bernd H
AU  - Henderson,John M
AU  - World health Organisation.
TI  - Urban water supply conditions and needs in seventy -five developing countries / Bernd H.Dieterich and John m.Henderson
CY  - Geneva
KW  - Social problems and services
KW  - Urban water supply - developing countries
ER  -