Long-term observation of geological environment : needs and techniques : proceedings of an NEA workskhop, Helsinki, Finland, 9-11 September 1991 = Observation a long terme du milieu geologique : besoins et techniques : compte rendu d'une reunion de travail de l'AEN. - OECD Nuclear Energy Agency (Paris : OECD, 1993)
Includes bibliographical references.
Keywords: Radioactive waste disposal in the ground -- Congresses; Hydrogeology -- Congresses; Geology, Structural -- Congresses