Gupta, R. K., M. E. Agarwal, and P. Joshie. “Phenotypic Stability of <I>Agave< I> Species on Bouldery Wastelands (Riverbed) of Doon Valley”. Indian Forester 123, no. 4 (April 1, 1997): 331–337. Accessed July 10, 2025. http://indianforester.co.in/index.php/indianforester/article/view/5940.