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Johnson, Brian R.; Borowiec, Marek L.; Chiu, Joanna C.; Lee, Ernest K.; Atallah, Joel; Ward, Philip S. (2013). «Phylogenomics resolves evolutionary relationships among ants, bees, and wasps». Current Biology23: 1-5. PMID24094856. doi:10.1016/j.cub.2013.08.050.
Johnson, B.R. (2013). «Phylogenomics Resolves Evolutionary Relationships among Ants, Bees, and Wasps». Current Biology23 (20): 2058-2062. PMID24094856. doi:10.1016/j.cub.2013.08.050.
Johnson, Brian R.; Borowiec, Marek L.; Chiu, Joanna C.; Lee, Ernest K.; Atallah, Joel; Ward, Philip S. (2013). «Phylogenomics resolves evolutionary relationships among ants, bees, and wasps». Current Biology23: 1-5. PMID24094856. doi:10.1016/j.cub.2013.08.050.