Azocar, 2001. In: Cactus (Opuntia spp.) as Forage. Mondragon-Jacobo and Perez-Gonzalez Ed., FAO Plant production and protection papers N°169: 161p. FAO, Rome

Azocar, P., 2001. Opuntia as feeds for ruminants in Chile. In: Cactus (Opuntia spp.) as Forage. Mondragon-Jacobo and Perez-Gonzalez Ed., FAO Plant production and protection papers N°169: 161p. FAO, Rome