Srivastava, Kanchan, Khurseed Zargar, and Shyam Singh. 2011. “Genetic Divergence Among Corylus Colurna Genotypes Based on Morphological Characters of Hazelnut”. Biodiversity: Research and Conservation 17 (February):13-17. https://doi.org/10.2478/v10119-010-0003-5.