00614nam a2200157Ia 4500 0000016131 20251012174544.0 s1991 xx eng c 9211043557 GB1081 Ground water in western and central Europe New York United Nations 1991 p. e------ United Nations Department of Technical Co-operation for Development 363 p. : ill., maps ; 28 cm. "ST/TCD/12." "United Nations publication sales no. E.90.II.A.25"--T.p. verso Includes bibliographical references NHAH Groundwater- Europe 6050 6050