\a Cactus (Opuntias.) sa forage \c (Text) \c Edited by Candelaria Mondragon-Jacobo...(E-tal) - \a Rome : \b FAO, \c 2001 - \a x,146p.: \b Ills. ISBN: \a 0951047057 LC Class. No.: \a SB 317.C2 Cac / \b 503930