2011. Salicylic Acid Induced Tolerance of Cotyledons Callus of Linum usitatissimum L. to Culture Filterate of Fusarium oxysporum f.sp. lini. College of Basic Education Research Journal. 10, 1 (Mar. 2011), 456–475. DOI:https://doi.org/10.33899/berj.2011.Vol10.Iss1.38607.