KADAR, R., L. MUNTEAN, I. RACZ, A. ONA, A. CECLAN, and D. HIRIŞCĂU. “The Effect of Genotype, Climatic Conditions and Nitrogen Fertilization on Yield and Grain Protein Content of Spring Wheat (Triticum Aestivum L.)”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 47, no. 2, Dec. 2018, pp. 515-21, doi:10.15835/nbha47211376.