Dejan Damnjanovic Zoran Ristic Miodrag Stanic Petar Opacic Boban Peric Maja Radovanovic Integration of Different Data Sources and Message Queueing System in Postnet-Case Studies. 279-282 2001 ICEIS (1) db/conf/iceis/iceis2001-1.html#DamnjanovicRSOPR01