6Bagioni Alfiero.Electrically Operated Harvester for Green Aspa-ragus. http://www.asparagus.it/pages/eng/verde.htm . 2011
7Bagioni Alfiero.How much money can I make harvesting withselective mechanical asparagus harvesting equipment. http://www.asparagusharvester.com/asparagus-harvesting-equipment.htm . 2011
8Kirpy.Récoltes:présentation du matériel. http://www.kirpy.com/en/materiel/recoltes/ecoltaspe.htm . 2011
