Katsuhide Fujita Takayuki Ito Mark Klein Approximately fair and secure protocols for multiple interdependent issues negotiation. 1287-1288 2009 AAMAS (2) http://doi.acm.org/10.1145/1558109.1558255 conf/atal/2009-2 db/conf/atal/aamas2009-2.html#FujitaIK09