Srivastava, K.K., S.R. Singh, N. Ahmad, B. Das, O.C. Sharma, J.A. Rather, and S.K. Bhat. 2012. “Genetic Divergence Analysis of Pear Using Qualitative Traits As Per DUS Guidelines”. Indian Journal of Horticulture 69 (03):432-34. https://journal.iahs.org.in/index.php/ijh/article/view/2018.