RIZVI, R H, et al. “Comparison of Various Linear and Non-Linear Functions for Estimating Biomass and Volume of Dalbergia Sissoo Grown under Rainfed Conditions”. The Indian Journal of Agricultural Sciences, vol. 78, no. 2, Jan. 2011, https://epubs.icar.org.in/index.php/IJAgS/article/view/2641.