Karnik, M. G., O. P. Sharma, and N. P. Dobhal. 1973. “Note on Catechin of <I>Acacia catechu< I> (Khair Wood) and Effect of Some Food Additives on Its Coloured Solutions”. Indian Forester 99 (3):149-51. https://doi.org/10.36808/if/1973/v99i3/26716.