Sergio Álvarez-Napagao Javier Vázquez-Salceda Tamás Kifor László Zsolt Varga Steven Willmott Applying Provenance in Distributed Organ Transplant Management. 28-36 2006 conf/ipaw/2006 IPAW http://dx.doi.org/10.1007/11890850_4 db/conf/ipaw/ipaw2006.html#AlvarezVKVW06