Mathauda, G.S. 1960. Influence of Method of Fixing Resin Lips on Resin Yields from <I>Chir</I> Pine (<I>Pinus roxburghii</I> Sargent). Indian Forester. 86, 1 (Jan. 1960), 18–20. DOI:https://doi.org/10.36808/if/1960/v86i1/24398.