A. . Hashempour, M. . Ghasemnezhad, R. . Fotouhi Ghazvini, and M. . Mehdi Sohani, “Freezing stress effects on antioxidant enzyme activities, ion leakage and lipid peroxidation of olive (Olea Europaea L. cvs. Fishomi and Roughani)”, Agr. Adv., vol. 3, no. 9, pp. 249-260, Sep. 2014.