Linares, L., Linares, V., Mendoza, G., Peláez, F., Rodríguez, E. and Phum, C. (2010) “Food preferences of guanaco (Lama guanicoe cacsilensis) and its competence with cattle in the Calipuy National Reserve, Peru”, Scientia Agropecuaria, 1(3 y 4), pp. 225-234. doi: 10.17268/sci.agropecu.2010.04.06.