Lombardo, S., G. Pandino, R. Mauro, and G. Mauromicale. “Variation of Phenolic Content in Globe Artichoke in Relation to Biological, Technical and Environmental Factors”. Italian Journal of Agronomy, vol. 4, no. 4, Dec. 2009, pp. 181-90, doi:10.4081/ija.2009.4.181.