Jacky Estublier Jorge Villalobos Anh-Tuyet Le Sonia Sanlaville Germán Vega An Approach and Framework for Extensible Process Support System. 46-61 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2786&spage=46 2003 conf/ewspt/2003 EWSPT db/conf/ewspt/ewspt2003.html#EstublierVLSV03