Mario Jeckle Ingo Melzer Jens Peter A Scalable Entry-Level Architecture for Computational Grids Based on Web Services. 15-29 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3270&spage=15 2004 conf/gsem/2004 GSEM db/conf/gsem/gsem2004.html#JeckleMP04