RAO, M. Palynological investigation of Arthungal bore-hole, Alleppey District, Kerala. Journal of Palaeosciences, [S. l.], v. 38, p. 243–255, 1989. DOI: 10.54991/jop.1989.1659. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1659. Acesso em: 7 may. 2024.