Geological disposal of spent fuel and high level and alpha bearing wastes: proceedings of an International Symposium on Geolgic Disposal of Spent Fuel, High Level and Alpha Bearing Wastes jointly organized by the International Atomic Energy Agency, the Commision of the European Communities and the OECD Nuclear Enewrgy Agency and held in Antwerp, 19-23 October 1992 - International Symposium on Geologic Disposal of Spent Fuel, High Level and Alpha Bearing Wastes (1992: Antwerp, Belgium); International Atomic Energy Agency; Commission of the European Communities; OECD Nuclear Energy Agency (Vienna : International Atomic Energy Agency, 1993)