S. Hossein Ava, , and M. Pirkhezri, . "Evaluation of Quantitative and Quality Characteristics in Some Hazelnut (Corylus avellana L.) Varieties in Karaj Climatic Conditions", Seed and Plant Production Journal, 26, 3, 2010, 329-342. doi: 10.22092/sppj.2017.110411