Weizhe Zhang Hongli Zhang Hui He Mingzeng Hu Multisite Task Scheduling on Distributed Computing Grid. 57-64 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3033&spage=57 2003 conf/gcc/2003-2 GCC (2) db/conf/gcc/gcc2003-2.html#ZhangZHH03