On the occurrence of similar spores in a Lower Gondwana Glacial Tillite from Australia and in Lower Gondwana Shales in India
Reference:
Virkki,C. (1939)
On the occurrence of similar spores in a Lower Gondwana Glacial Tillite from Australia and in Lower Gondwana Shales in India Proceedings of the Indian Academy of Science
Vol. 9 # 1 P. 7- 13