Pavlos Moraitis Eleftheria Petraki Nikolaos I. Spanoudakis Engineering JADE Agents with the Gaia Methodology. 77-91 2002 conf/jit/2002agents Agent Technologies, Infrastructures, Tools, and Applications for E-Services http://link.springer.de/link/service/series/0558/bibs/2592/25920077.htm db/conf/jit/agents2002.html#MoraitisPS02