“The Effect of Genotype and Cropyear on the Yield and the Phytopathological Traits of Sunflower (Helianthus Annus L.)”. COLUMELLA – Journal of Agricultural and Environmental Sciences, vol. 1, no. 2, Nov. 2014, pp. 101-8, https://doi.org/10.18380/SZIE.COLUM.2014.1.2.101.