Petroleum sporo-pollen assemblages and oil source rock of Yumen oil-bearing Region in Gansu.
Foreign title:
In Chinese with English summary
Reference:
Jiang,D.-X. et al. (1980)
Petroleum sporo-pollen assemblages and oil source rock of Yumen oil-bearing Region in Gansu. [ In Chinese with English summary ] Acta Botanica Sinica (Chih Wu Hsueh Pao)
Vol. 22 # 3 P. 280- 285