Verma, V.P.S. and Pant, S.P. 1978. Effect of Width of Blaze and Stimulant (In Resin Tapping) on the Growth of Chirpine (<I>Pinus roxburghii</I> Sargent). Indian Forester. 104, 1 (Jan. 1978), 36–41. DOI:https://doi.org/10.36808/if/1978/v104i1/11395.