Frost, S.R.; Delson, E. (2002). "Fossil Cercopithecidae from the Hadar Formation and surrounding areas of the Afar Depression, Ethiopia". Journal of Human Evolution. 43 (5): 687–748. Bibcode:2002JHumE..43..687F. doi:10.1006/jhev.2002.0603. PMID12457855.
harvard.edu
ui.adsabs.harvard.edu
Frost, S.R.; Delson, E. (2002). "Fossil Cercopithecidae from the Hadar Formation and surrounding areas of the Afar Depression, Ethiopia". Journal of Human Evolution. 43 (5): 687–748. Bibcode:2002JHumE..43..687F. doi:10.1006/jhev.2002.0603. PMID12457855.
nih.gov
pubmed.ncbi.nlm.nih.gov
Frost, S.R.; Delson, E. (2002). "Fossil Cercopithecidae from the Hadar Formation and surrounding areas of the Afar Depression, Ethiopia". Journal of Human Evolution. 43 (5): 687–748. Bibcode:2002JHumE..43..687F. doi:10.1006/jhev.2002.0603. PMID12457855.