Singh, Virendra, V. K. Sah, and Ajay Kumar Singh. 2015. “Effect of Crown Position on Cone, Seed and Germination Characteristics in Blue Pine (<I>Pinus wallichiana< I>, A.B. Jacks)”. Indian Forester 141 (6):615-20. https://doi.org/10.36808/if/2015/v141i6/71313.