Matthias Bernt Kuan-Yu Chen Ming-Chiang Chen An-Chiang Chu Daniel Merkle Hung-Lung Wang Kun-Mao Chao Martin Middendorf Finding all sorting tandem duplication random loss operations. 32-48 2011 9 J. Discrete Algorithms 1 http://dx.doi.org/10.1016/j.jda.2010.09.006 db/journals/jda/jda9.html#BerntCCCMWCM11