Xiaoguang Zhang Jian Cao Shen-sheng Zhang Fuzzy Synthesis Evaluation Improved Task Distribution in WfMS. 927-934 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3033&spage=927 2003 conf/gcc/2003-2 GCC (2) db/conf/gcc/gcc2003-2.html#ZhangCZ03