Yasui, N. ., Vogiatzis, C. ., Yoshida, R. ., & Fukumizu, K. . (1969). imPhy: Imputing Phylogenetic Trees with Missing Information Using Mathematical Programming. IEEE/ACM/Transactions/on/Computational/Biology/and/Bioinformatics, 17(4), 1222-1230. https://doi.org/10.1109/TCBB.2018.2884459 (Original work published 1969)