Marquardt, S., H. Alz?rreca, E. Hillmann, F. D. Encinas, A. C. Mayer, and M. Kreuzer. “Seasonal Variation in Activity and Habitat Use of Free-Ranging Cattle in Southern Bolivian Subtropical Mountain Forests”. Cuban Journal of Agricultural Science, vol. 44, no. 4, Dec. 2010, https://cjascience.com/index.php/CJAS/article/view/197.