VENKATACHALA, B.; BHARADWAJ, D. Sporological study of the coals from Falkenberg (Faulouemont) colliery, Lothringen (Lorrain), France. Journal of Palaeosciences, [S. l.], v. 11, n. (1-3), p. 159–207, 1962. DOI: 10.54991/jop.1962.637. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/637. Acesso em: 20 may. 2024.