Robins, Judith H., Tintinger, Vernon, Aplin, Kenneth P., Hingston, Melanie, Matisoo-Smith, Elizabeth, Penny, David, and Lavery, Shane D. 2014. "Phylogenetic Species Identification in Rattus Highlights Rapid Radiation and Morphological Similarity of New Guinean Species."
PLoS ONE. 9 (5):
https://doi.org/10.1371/journal.pone.0098002