Monge, J. 2010. Geographic distribution, characteriscs and taxonomic key to Costa Rican Pocket Gophers (Orthogeomys spp., Rodentia: Geomyidae). UNED Research Journal. 2, 1 (Jun. 2010), 23–31. DOI:https://doi.org/10.22458/urj.v2i1.219.