TY - BOOK ED - Commonwealth Science Council TI - Groundwater exploration and development in crystalline basement aquifers: proceedings of the workshop held in Harare, Zimbabwe, 15-24 June 1987 T2 - Water and mineral resources, series number CSC(89)WMR-13, Technical paper 273 SN - 0850923530 AV - COMM(02) PY - 1990/// CY - London PB - Commonwealth Science Council KW - WATER, UNDERGROUND KW - HYDROGEOLOGY KW - AQUIFERS KW - WATER N1 - volume I. sessions 1 to 5 ER -