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Doyon, J.-P.; Hamel, S.; Chauve, C.. (2012). An Efficient Method for Exploring the Space of Gene Tree/Species Tree Reconciliations in a Probabilistic Framework. , 9(1), 0–39. doi:10.1109/tcbb.2011.64 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research