(2009) „Relationships of Cetacea (Artiodactyla) among mammals: increased taxon sampling alters interpretations of key fossils and character evolution”. PLOS ONE4 (9), e7062. o. DOI:10.1371/journal.pone.0007062. PMID 19774069.
(2009) „Relationships of Cetacea (Artiodactyla) among mammals: increased taxon sampling alters interpretations of key fossils and character evolution”. PLOS ONE4 (9), e7062. o. DOI:10.1371/journal.pone.0007062. PMID 19774069.