Proceedings of the Workshop on the Use of Argillaceous Materials for the Isolation of Radioactive Waste, Paris, 10th-12th, September, 1979 = Compte rendu d'une reunion de travail sur l'utilisation des materiaux argileux pour l'isolement des dechets radioactifs, Paris, 10-12, septembre 1979. (Nuclear Energy Agency, Organisation for Economic Co-operation and Development ; sold by OECD Publications and Information Center, 1980)