SINGH, H.; KHANNA, A. Some fossil psecies of Pediastrum and their palaeoecological significance in the Subathu formation of Himachal Pradesh. Journal of Palaeosciences, [S. l.], v. 25, n. 1-3, p. 466–474, 1976. DOI: 10.54991/jop.1976.1033. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1033. Acesso em: 18 may. 2024.