Singhal, R. M., Rawat, V. R. S., Kumar, P., Sharma, S. D., & Singh, H. B. (1986). Vegetation Analysis of Woody Species of some forests of Chakrata Himalayas-india. Indian Forester, 112(9), 819–832. https://doi.org/10.36808/if/1986/v112i9/9985