Dyke, A. S.; Prest, V. K.Géographie Physique et Quaternaire, 41, 2, 1987, pàg. 237–263. DOI: 10.7202/032681ar.
Olson. Terrestrial Ecoregions of the World: A New Map of Life on Earth, p. 933–938. DOI[0933:TEOTWA2.0.CO;2 10.1641/0006-3568(2001)051[0933:TEOTWA]2.0.CO;2].