Mandal, J., Maithy, P., G. Barman and K. K. Verma 1984. Microbiota from the Kushalgarh Formation, Delhi Supergroup, India. Journal of Palaeosciences. 32, (1-3) (Dec. 1984), 1–19. DOI:https://doi.org/10.54991/jop.1984.1358.