Singhal, R. M., and S. Soni. “Mean Annual Increment in the Forests of Garhwal Himalayas Related With Soil and Ground Litter Properties”. Indian Forester 118, no. 12 (December 1, 1992): 945–951. Accessed December 5, 2025. http://indianforester.co.in/index.php/indianforester/article/view/8545.