Masashi Shiraishi Tomoya Enokido Makoto Takizawa Fault-Tolerant Mobile Agents in Distributed Objects Systems. 145-151 2003 conf/ftdcs/2003 FTDCS http://doi.ieeecomputersociety.org/10.1109/FTDCS.2003.1204326 db/conf/ftdcs/ftdcs2003.html#ShiraishiET03