Thieme et al., Freshwater Ecoregions of Africa and Madagascar: A Conservation Assessment Ecoregions Assessments, Island Press, 2005, p. 297نسخة محفوظة 2023-11-10 على موقع واي باك مشين.. "It is hypothesized that in the late Pliocene or early Pleistocene, a coastal Lower Guinean river captured Malebo Pool, connecting the previously interior Congo Basin to the ocean."
Hanibal Lemma، and colleagues (2019). "Bedload transport measurements in the Gilgel Abay River, Lake Tana Basin, Ethiopia (Table 7)". Journal of Hydrology. ج. 577: 123968. DOI:10.1016/j.jhydrol.2019.123968. S2CID:199099061.
Hanibal Lemma، and colleagues (2019). "Bedload transport measurements in the Gilgel Abay River, Lake Tana Basin, Ethiopia (Table 7)". Journal of Hydrology. ج. 577: 123968. DOI:10.1016/j.jhydrol.2019.123968. S2CID:199099061.
Thieme et al., Freshwater Ecoregions of Africa and Madagascar: A Conservation Assessment Ecoregions Assessments, Island Press, 2005, p. 297نسخة محفوظة 2023-11-10 على موقع واي باك مشين.. "It is hypothesized that in the late Pliocene or early Pleistocene, a coastal Lower Guinean river captured Malebo Pool, connecting the previously interior Congo Basin to the ocean."
