Qian Zhu Zaky Adam Vicky Choi David Sankoff Generalized Gene Adjacencies, Graph Bandwidth, and Clusters in Yeast Evolution. 213-220 2009 6 IEEE/ACM Trans. Comput. Biology Bioinform. 2 http://doi.acm.org/10.1145/1544177.1544179 db/journals/tcbb/tcbb6.html#ZhuACS09