Lavania, S. K., Singh, V., & Prasad, B. (2010). Influence of Cone Collection Date on Seed and Germination Characteristics in Blue Pine, <I>Pinus wallichiana</I> Ab. Jacks. Indian Forester, 136(11), 1486–1491. https://doi.org/10.36808/if/2010/v136i11/12960