1. Cherry, plum, peach, apricot and almond. Prunus spp.;Watkins,1976
2. The contribution of Prunus webbii to almond evolution;Mohamed;PGR Newsl.,2004
3. Almonds;Kester,1996
4. Handbook of Nuts;Duke,2000
5. Faostat: Agriculture Datahttp://www.fao.org/faostat/es/#data/QC