BHATTACHARYA, A. Depositional history of the basal Barakar beds - a study from Ramgarh Coalfield, Hazaribagh District, Bihar. Journal of Palaeosciences, [S. l.], v. 36, p. 67–73, 1987. DOI: 10.54991/jop.1987.1562. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1562. Acesso em: 16 feb. 2025.