Ernesto Damiani Sabrina De Capitani di Vimercati Stefano Paraboschi Pierangela Samarati Securing SOAP e-services. 100-115 2002 1 Int. J. Inf. Sec. 2 http://dx.doi.org/10.1007/s102070100009 db/journals/ijisec/ijisec1.html#DamianiVPS02