Author:

Hopkins,W.S.;Sweet,A.R.

Year:

1976

Title:

Miospores and megaspores from the Lower Cretaceous Mattagami Formation of Ontario.

Reference:

Hopkins,W.S. et al. (1976) Miospores and megaspores from the Lower Cretaceous Mattagami Formation of Ontario. Geological Survey of Canada, Bulletin # 256 P. 55- 71

Google Academy:

try to search by title in english