Negi, R. C. S., and R. P. Singh. “Influence of Sowing Methods and Media Used on Germination and Growth of Some Exotic Pines”. Indian Forester 121, no. 8 (August 1, 1995): 721–727. Accessed July 10, 2025. https://indianforester.co.in/index.php/indianforester/article/view/7204.