http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
A multilocus molecular phylogeny of the parrots (psittaciformes) : support for a gondwanan origin during the cretaceous
Timothy F. Wright, Erin E. Schirtzinger, Tania Matsumoto, Jessica R. Eberhard, Gary R. Graves, Juan J. Sanchez, Sara Capelli, Heinrich Moller, Julia Scharpegge, Geoffrey K. Chambers, Robert C. Fleischer.