M. RUSTU KARAMAN, S. SAHIN, N. KANDEMIR, S. COBAN, and T. SERT, “Characterization of Some Barley Cultivars (H. Vulgare spp.) for their Response to Iron Deficiency on Calcareous Soil”, ajc, vol. 19, no. 4, pp. 3007–3014, Mar. 2010.