Marian Bubak Maciej Malawski Katarzyna Zajac The CrossGrid Architecture: Applications, Tools, and Grid Services. 309-316 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2970&spage=309 2003 conf/eagc/2003 European Across Grids Conference db/conf/eagc/eagc2003.html#BubakMZ03