S. Ward; B. Brown; A. Hill; J. Kelley; W. Downs (1999). "Equatorius: A New Hominoid Genus from the Middle Miocene of Kenya". Science. 285 (5432): 1382–1386. doi:10.1126/science.285.5432.1382. PMID10464093.
nih.gov
pubmed.ncbi.nlm.nih.gov
S. Ward; B. Brown; A. Hill; J. Kelley; W. Downs (1999). "Equatorius: A New Hominoid Genus from the Middle Miocene of Kenya". Science. 285 (5432): 1382–1386. doi:10.1126/science.285.5432.1382. PMID10464093.