Peter Regner Thomas Wiesinger Josef Küng Roland Wagner Towards a Process Model for E.cient Advertised Bidding in the Field of Software Projects. 363-368 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2739&spage=363 2003 conf/egov/2003 EGOV db/conf/egov/egov2003.html#RegnerWKW03