Adams, W. R. “Effect of Thinning in Plantation on Some of the Physical Factors of the Site and on the Development of Young Northern White Pine and Scots Pine”. Indian Forester 61, no. 12 (November 30, 1935): 798–800. Accessed December 4, 2025. http://indianforester.co.in/index.php/indianforester/article/view/20909.