M. K. Gautam, A. K. Tripathi, and R. K. Manhas, “Changes in the Scenario of Dominance and Diversity in <I>Shorea robusta</I> Gaertn. F. (Sal) Forests of Lachchhiwala, Doon Valley, India”, Indian Forester, vol. 132, no. 12, pp. 1645–1652, Dec. 2006.