Singh, N. B., J. P. Sharma, P. Choudhary, and R. K. Gupta. “Genotype X Environment Interaction and Growth Stability of Exotic Tree Willow (Salix spp.) Clones”. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING, vol. 74, no. 02, May 2014, pp. 222-8, doi:10.5958/0975-6906.2014.00159.X.