Roberto Cortiñas Felix C. Freiling Marjan Ghajar-Azadanlou Alberto Lafuente Mikel Larrea Lucia Draque Penso Iratxe Soraluze Arriola Secure Failure Detection in TrustedPals. 173-188 2007 conf/sss/2007 SSS http://dx.doi.org/10.1007/978-3-540-76627-8_15 db/conf/sss/sss2007.html#CortinasFGLLPA07