(1992) „A Miocene fossil of the Amazonian fish Arapaima (Teleostei, Arapaimidae) from the Magdalena River region of Colombia--Biogeographic and evolutionary implications”. Biotropica24 (1), 2–14. o. DOI:10.2307/2388468. JSTOR2388468.
jstor.org
(1992) „A Miocene fossil of the Amazonian fish Arapaima (Teleostei, Arapaimidae) from the Magdalena River region of Colombia--Biogeographic and evolutionary implications”. Biotropica24 (1), 2–14. o. DOI:10.2307/2388468. JSTOR2388468.