Isotope techniques in the hydrogeological assessment of potential si tes for the disposal of radioactive wastes. - Vienna : International Atomic Energy Agency, 1983. - 151 p. : ill. ; 24 cm. - Technical report series; no. 228. . Includes bibliographical references. ISBN: 9201452837 Subjects--Topical Terms: Radioactive wastes --Isotope techniques.------Radioactive wastes --Hydrogeological assessment.------