Xiaotu Li Jizhou Sun Jiawan Zhang Zhaohui Qi Gang Li A Modified Parallel Computation Model Based on Cluster. 252-261 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3044&spage=252 2004 conf/iccsa/2004-2 ICCSA (2) db/conf/iccsa/iccsa2004-2.html#LiSZQL04