A study of the microfossils and the correlation of some productive Coal Seams of the Raniganj Coalfield, Bengal, India.
Reference:
Ghosh,A.K. et al. (1948)
A study of the microfossils and the correlation of some productive Coal Seams of the Raniganj Coalfield, Bengal, India. Transactions of the Geological,Mining and Metallurgical Society of India
Vol. 43 # 2 P. 67- 95