TY - GEN ED - World Health Organization. Community Water Supply and Sanitation Unit. ED - Deutsche Gesellschaft fnr Technische Zusammenarbeit. TI - Proceedings of the Meeting of the Operation and Maintenance Working Group, Geneva, 19-22 June 1990 : Volume 1: Report of the Meeting PY - 1990/// CY - Geneva : PB - World Health Organization KW - Water supply KW - Sanitation KW - Maintenance N1 - Organized with the support of IRC, International Water and Sanitation Centre, Netherlands, WASH (Water and Sanitation Project, USA, WB/UNDP (UNDP/World Bank Water and Sanitation Programme) ER -