Quasin, Shazia, and V. P. Uniyal. “Spider Diversity Along Altitudinal Gradient in Milam Valley Nanda Devi Biosphere Reserve, Western Himalaya”. Indian Forester, vol. 137, no. 10, Oct. 2011, pp. 1207-11, doi:10.36808/if/2011/v137i10/12247.