TY - BOOK TI - A hydroecological study in the basin of gulp creek, a reconnaissance in small catchment area. Part 3 Chemistry of surface and groundwater T2 - Agricultural University Wageningen Papers.87-7 U1 - 631.42.556.3(492) M8 PY - 1988/// CY - Wageningen PB - Agricultural University KW - Nota, D.J.G. KW - Geology,Hydrology ER -