[1]
M. Kumar, R. Kumar, B. Konsam, A. Kumar, and B. Nagar, “Altitudinal Variation in Specific Gravity of <I>Pinus roxburghii</I> (Chir-pine) in Garhwal Himalaya”, Indian Forester, vol. 144, no. 11, pp. 1122–1124, Jan. 2019.