Bhardwaj, L. N., and Y. S. Paul. 1987. “<I>Cercospora nigri< I> Tharp Var. <I>Microsporae< I> Var. Nov. Causing Leaf Spot of <I>Solanum nigrum< I> L”. Indian Forester 113 (7):509-10. https://doi.org/10.36808/if/1987/v113i7/9430.