1. Trees, stars, and multiple sequence alignment;Altschul;SIAM J. Appl. Math.,1989
2. Banishing bias from consensus sequences;Ben-Dor,1997
3. On covering problems of codes;Frances;Theory Comput. Syst.,1997
4. Efficient approximation algorithms for the Hamming center problem;Gasieniec,1999
5. Approximation algorithms for Hamming clustering problems;Gasieniec,2000