P.N. KRISHNAN and K. VIJAYAKUMAR, V.B. HOSAGOUDAR, T.K. ABRAHAM. 2002. “Biochemical Changes in the Leaves of Ebony Tree Affected With Black Mildew”. Indian Phytopathology 50 (3): 439-40. https://epubs.icar.org.in/index.php/IPPJ/article/view/19891.