Manabendra Nath MN. Abundance of Sulphur in Paleogene coals of North-East India and Its Paleo-environmental Implications. JIAS [Internet]. 2022 Jun. 30 [cited 2024 Nov. 7];39(1):64-73. Available from: http://journal.indiansedimentologists.com/ojs/index.php/1/article/view/209