Denis Bertrand Mathieu Lajoie Nadia El-Mabrouk Inferring Ancestral Gene Orders for a Family of Tandemly Arrayed Genes. 1063-1077 2008 15 Journal of Computational Biology 8 http://dx.doi.org/10.1089/cmb.2008.0025 db/journals/jcb/jcb15.html#BertrandLE08