Description, palynology and paleoecology of the Hassel Formation, (Cretaceous) on eastern Ellef Ringnes Island, District of Franklin.
Reference:
Hopkins,W.S. et al. (1973)
Description, palynology and paleoecology of the Hassel Formation, (Cretaceous) on eastern Ellef Ringnes Island, District of Franklin. Geological Survey of Canada, Paper
Vol. 73 P. 1- 31