Mohan, N. P., & Puri, G. S. (1956). The Himalayan Conifers V. The Succession of Forest Communities in Chir Pine (<I>Pinus roxburghii</I>) Forests of the Punjab and Himachal Pradesh. Indian Forester, 82(7), 356–364. https://doi.org/10.36808/if/1956/v82i7/24081