Cactus (oppintia spp.)as forage /
edited by Candelario Mondragon-Jacobo and Salvador Perez-Gonzalez; coordinated for FAO by Enrique Arias...[et al. ]. -
- Rome: Food and Agriculture Organization of the United Nations, 2001
- x,146 p., 4 p., of plates: ill., diagrs., chiefly col. photos., graphs, map. -
- (FAO plant and protection paper; 169) .