R. M. Schweiggert, J. U. Ziegler, E. M. Metwali, O. A. Almaghrabi, N. M. Kadasa, and R. Carle, “Carotenoids in mature green and ripe red fruits of tomato (<i>Solanum lycopersicum </i>L.) grown under different levels of irrigation”, Arch Biol Sci, vol. 69, no. 2, pp. 305–314, May 2017.