Yeaton, R. I., & Flores-Flores, J. L. (2006). Patterns of occurrence and abundance in colony complexes of the mexican prairie dog (Cynomys Mexicanus) in productive and unproductive grasslands. ACTA ZOOLÓGICA MEXICANA (N.S.), 22(3), 107–130. https://doi.org/10.21829/azm.2006.2232028