A1 - Werla, Marcin A1 - Dudczak, Adam PB - PCSS L1 - http://lib.psnc.pl/Content/238/2-Part2.pdf L2 - http://lib.psnc.pl/Content/238 ER - T1 - Part 2: The most important aspects of… the metadata aggregation and reuse UR - http://lib.psnc.pl/dlibra/docmetadata?id=238