Palynostratigraphic zones in the identification of Early Permia age of Turra, Purewa and Jhingurdah Coal Seams of Singrauli Coalfield, India
Reference:
d'Rozario,A. et al. (1996)
Palynostratigraphic zones in the identification of Early Permia age of Turra, Purewa and Jhingurdah Coal Seams of Singrauli Coalfield, India Indian Journal of Earth Sciences
Vol. 23 # 1 P. 61- 70