Shih-Yih Wang Lih-Hsing Hsu Maximum and Minimum Matchings for Seriew-Parallel Networks. 127-142 1996 12 J. Inf. Sci. Eng. 1 http://www.iis.sinica.edu.tw/page/jise/1996/199603_06.html db/journals/jise/jise12.html#WangH96