PAREEK, H. Microstructure of woody lignite from Darrang district area, Assam, India. Journal of Palaeosciences, [S. l.], v. 17, n. (1-3), p. 310–311, 1968. DOI: 10.54991/jop.1968.807. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/807. Acesso em: 3 may. 2024.