Yossi Azar Amir Epstein Leah Epstein Load Balancing of Temporary Tasks in the l<sub>p</sub> Norm. 53-66 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2909&spage=53 2003 conf/waoa/2003 WAOA db/conf/waoa/waoa2003.html#AzarEE03