[1]
Verma, V.P.S. et al. 1976. Search for Non Corrosive Chemicals for Increasing Resin Yield from Chirpine (<I>Pinus roxburghii</I> Sargent). Indian Forester. 102, 6 (Jun. 1976), 408–413. DOI:https://doi.org/10.36808/if/1976/v102i6/11913.