Pang Ko Mahesh Narayanan Anantharaman Kalyanaraman Srinivas Aluru Space-Conserving Optimal DNA-Protein Alignment . 80-88 2004 conf/csb/2004 CSB http://doi.ieeecomputersociety.org/10.1109/CSB.2004.154 db/conf/csb/csb2004.html#KoNKA04