Singh, V., Sah, V. K. and Bana, O. P. S. (1996) “Effect of Cone Diameter on Seed Yield, Moisture Content and Germination in Himalayan Blue Pine (<I>Pinus wallichiana</I> A.B. Jacks)”, Indian Forester, 122(2), pp. 150–154. doi: 10.36808/if/1996/v122i2/6222.