Michael L. Nelson Herbert Van de Sompel Xiaoming Liu 0005 Terry L. Harrison Nathan McFarland mod_oai: An Apache Module for Metadata Harvesting. 509-510 2005 conf/ercimdl/2005 ECDL http://dx.doi.org/10.1007/11551362_58 db/conf/ercimdl/ecdl2005.html#NelsonSLHM05