Michalis Sfakakis Sarantos Kapidakis A semantics-based substitution for unsupported Z39.50 Bib-1 access points. 193-199 2007 ICDIM http://dx.doi.org/10.1109/ICDIM.2007.4444222 conf/icdim/2007 db/conf/icdim/icdim2007.html#SfakakisK07