Garg, R., Khowaja-Ateequzzaman, & Jain, K. (1993). Occurrence of the marker dinoflagellate cyst Apectodinium in Narsapur Well-I, Krishna-Godavari Basin, India. Journal of Palaeosciences, 42(1-3), 363–371. https://doi.org/10.54991/jop.1993.1155