Prabhu, V. V., and K. S. Theagabajan. “Utilization of <I>Eucalyptus hybrid< I> (Mysore Gum) Bark for Production of Oxalic Acid”. Indian Forester, vol. 103, no. 7, July 1977, pp. 477-9, doi:10.36808/if/1977/v103i7/11743.