1. A fast linear-time algorithm for inversion distance with an experimental comparison;Bader;J. Comput. Biol.,2001
2. The complexity of calculating exemplar distances;Bryant,2000
3. Sorting by reversals is difficult;Caprara,1997
4. Formulations and hardness of multiple sorting by reversals;Caprara,1999
5. On the practical solution of the reversal median problem;Caprara,2001