C.M. Sharma, and A. Kumar. “COMMUNITY STRUCTURE OF SOME NATURAL FOREST STANDS IN LANSDOWNE FOREST RANGE OF GARHWAL HIMALAYA”. Journal of Tropical Forest Science (JTFS), vol. 5, no. 1, Sept. 1992, pp. 8-12, https://jtfs.frim.gov.my/jtfs/article/view/1930.