TY - GEN TI - Ion and slow positron beam utilisation : : proceedings of the workshop on Costa da Caparica, Portugal 15-17 september 1998 SN - 92-64-17025-1 U1 - OCDE 541.372 I6447i SEP 1998 PY - 1999/// CY - Paris [Francia] : PB - Organisation for Economic Co-operation and Development, Nuclear Energy Agency, KW - INVESTIGACIÓN NUCLEAR KW - IONES KW - POSITRONES ER -