Ouri Wolfson Bo Xu Huabei Yin Dissemination of Spatial-Temporal Information in Mobile Networks with Hotspots. 185-199 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3367&spage=185 2004 conf/dbisp2p/2004 DBISP2P db/conf/dbisp2p/dbisp2p2004.html#WolfsonXY04