Rubio, G. D., E. N. L. Rodrigues, and L. E. Acosta. “Description of the Male of the Spider Dubiaranea difficilis (Araneae: Linyphiidae), With New Records and Modeling of Its Potential Geographic Distribution”. Zootaxa, vol. 2405, no. 1, Mar. 2010, pp. 55–62, doi:10.11646/zootaxa.2405.1.3.