Sharma, O. P., and N. P. Dobhal. “A Preliminary Note on Variation in Catechin Content of <I>Acacia catechu< I> Tree With Its Age in the Siwalik Forest Division of the Uttar Pradesh Forests”. Indian Forester 95, no. 9 (September 1, 1969): 650–652. Accessed February 18, 2026. https://indianforester.co.in/index.php/indianforester/article/view/26158.