Organic remains, age and environment of the Pre-Siwalik sediments encountered in some deep wells drilled in southern part of Ganga Valley
Reference:
Sastri,V.V. et al. (1968)
Organic remains, age and environment of the Pre-Siwalik sediments encountered in some deep wells drilled in southern part of Ganga Valley Bulletin of the Oil and Natural Gas Commission, Dehra Dun, India
Vol. 5 # 2 P. 75- 82