Katarzyna Kowalczyk, Janina Gajc-Wolska and M. Marcinkowska
., Thomson C.A., Wu M., Javanmardi J. 2006. Controlled environments for production of value-added food crops with high phytochemical concentrations: lycopene in tomato as an example. HortScience 41: 522-525.
Leonardi C., Ambrosino P., Esposito F., Fogliano V. 2000. Antioxidant activity and carotenoid and tomatine contents in different typologies of freshconsumption tomatoes. Journal of Agricultural and Food Chemistry 48: 4723-4727.
Liptay A., Papadopulos A.P., Bryan H.H., Gull D. 1986. Ascorbic acid levels in tomato
Cultus 9(1): 37-44.
Vangd al E., 1985. Quality Criteria for Fruit for FreshConsumption. Acta Agric. Scand. 35: 41-47.
Vávra R., 2012. Evaluation of plum cultivar productivity in commercial orchards in first growing years after planting. Acta Hort. 968: 93-98.
Walkowiak-Tomczak D., 2009. The effect of the degree of ripening on physico-chemical properties and contents of polyphenolic compounds in selected cultivars of plum ( Prunus domestica ). Nauka Przyr. Techno. 3,4: 1-9 (In Polish).