Negi, P. S. “A Contribution to Woody Plant Diversity of Doon Valley, Uttaranchal (North-West Himalaya)”. Indian Forester 132, no. 4 (April 1, 2006): 429–455. Accessed July 10, 2025. https://indianforester.co.in/index.php/indianforester/article/view/3963.