Stephen, A., K. Anupama, G. Orukaimani, and S. Prasad. “A New Microsieving Technique in Pollen Analysis”. Journal of Palaeosciences 57, no. (1-3) (December 31, 2008): 551–557. Accessed April 28, 2024. https://www.jpsonline.co.in/index.php/jop/article/view/273.