Singh, Sujan. “<I>cercospora</I>/Needle/Blight:/A/Potential/Threat/to/Indigenous/Pines/in/India”. Indian Forester 108, no. 4 (April 1, 1982): 314–318. Accessed August 21, 2025. https://indianforester.co.in/index.php/indianforester/article/view/10822.