1. Amyx, J.W., Bass Jr., D.M., and Whiting, R.L. (1960) Petroleum Reservoir Engineering, Mc Graw Hill Publ. Co., New York, pp.601.
2. Ball, V. (1867) The Ramgarh coalfield. Mem. Geol. Surv. India, v.6, Pt.2, pp.109–135.
3. Banerjee, K.C. (1943) Regulation of river floods: The problem of Damodar river. Geographical Review, v.3, pp.107–110
4. Bharadwaj, D.C. and Tiwari, R.S. (1977) Permian-Triassic microfloras from the Raniganj Coalfield, India. Paleobotanist, v.24, pp.26–49.
5. Bhattacharya, A.K. (1973) Flood control in the Damodar valley, Geographical Review of India, v.35(2), pp.134–146.