cam a22 u 4500 128721545 CHVBK 20200921121800.0 880212s1980 xxk | 10 |eng|d 0-906055-11-3 (OCoLC)636345082 (NEBIS)000240508 ETH-BIB ger ETH-BIB ETHICS-ISBD Water and waste engineering in Africa (international) conference; Zaria 24-28 March 1980 : proceedings ed.: John Pickford, Susan Ball Loughborough 1981 203 p. fig.; tab.; maps WEDC conferenc 6 6 (NEBIS)000005767 126575738 ABWASSER + ABWASSERBEHANDLUNG ger (ETHUDK)000030288 ethudk AFRIKA ger (ETHUDK)000006857 ethudk WASSERWIRTSCHAFT + ANGEWANDTE HYDROLOGIE ger (ETHUDK)000020824 ethudk Konferenzschrift Zaria 1980/03 gnd-content u WASSERWIRTSCHAFT + ANGEWANDTE HYDROLOGIE ger 556.18 nebis E1 u AFRIKA ger (6) nebis E1 u ABWASSER + ABWASSERBEHANDLUNG ger 628.3 nebis E1 u GESTION DES EAUX + HYDROLOGIE APPLIQUÉE fre 556.18 nebis E1 u WATER MANAGEMENT + APPLIED HYDROLOGY eng 556.18 nebis E1 u AFRIQUE fre (6) nebis E1 u AFRICA eng (6) nebis E1 u WASTEWATER + WASTEWATER TREATMENT eng 628.3 nebis E1 u EAUX USÉES + TRAITEMENT DES EAUX USÉES fre 628.3 nebis E1 Pickford John International Conference on Water and Waste Engineering in Africa (1980 Zaria) (DE-588)1091137021 BK020800 XK020000 XK020000 Zaria Kongress = Congrès 1980/03 NEBIS E17 E17 E17BI 7.7.2/11 NEBIS E16 E16 RH P 27821: 6 NEBIS 490 -- WEDC conferenc 6 6 (NEBIS)000005767 126575738 NEBIS 700 1- Pickford John NEBIS 711 2- International Conference on Water and Waste Engineering in Africa (1980 Zaria) (DE-588)1091137021