Dieterich, Bernd H.
Urban water supply conditions and needs in seventy-five developing countries / Bernd H. Dieterich and John Mellish Henderson. - Geneva : World Health Organization, c 1963. - 92 p. : ill. ; 22 cm. - Public health papers ; 23. .
310 310
Wasserversorgung.
628.72 / D567u
Urban water supply conditions and needs in seventy-five developing countries / Bernd H. Dieterich and John Mellish Henderson. - Geneva : World Health Organization, c 1963. - 92 p. : ill. ; 22 cm. - Public health papers ; 23. .
310 310
Wasserversorgung.
628.72 / D567u