Rawat, K., Tyagi, M., Nautiyal, S., & Kumar, P. (2006). Variability Studies of Different Seed Sources of <I>Pinus wallichiana</I> with Special Reference to Seed and Germination Characteristics. Indian Forester, 132(3), 373–380. https://doi.org/10.36808/if/2006/v132i3/3917