Karthikeyan Bhargavan Cédric Fournet Andrew D. Gordon Riccardo Pucella TulaFale: A Security Tool for Web Services. 197-222 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3188&spage=197 2003 conf/fmco/2003 FMCO db/conf/fmco/fmco2003.html#BhargavanFGP03