TY - BOOK AU - Bjarnason,S ED - European Environment Agency TI - Selecion criteria for the catalogue of data services: Topic report, 5/98 SN - 929167107X U1 - 005.74 094 1 PY - 1998/// CY - Luxembourge PB - Office for Official Publications of the European Communities KW - Selection of non-book materials KW - Europe KW - Database selection KW - Metadatabases N1 - This report was prepared by S. Bjarnason ER -