Kalbermatten, John M.
Appropriate sanitation alternatives : A planning and design manual By John M. Kalbermatten and others - Baltimore IBRD 1982 - 160p. - World Bank Studies in Water Supply and Sanitation No.2 .
Bibl.p. 153-55
Sanitation
X8 In8
Appropriate sanitation alternatives : A planning and design manual By John M. Kalbermatten and others - Baltimore IBRD 1982 - 160p. - World Bank Studies in Water Supply and Sanitation No.2 .
Bibl.p. 153-55
Sanitation
X8 In8