Khan, M.A.W. and Gupta, A.C. 1960. Plant Communities Associated with Sal (<I>Shorea robusta</I>) Regeneration in Dehra Dun Valley. Indian Forester. 86, 7 (Jul. 1960), 417–422. DOI:https://doi.org/10.36808/if/1960/v86i7/24446.