Vol 31-40

Issue	Pages	Title	Authors

37
No records
2	229-249	On the petrography of the silurian shales from Hadeland, Norway.	Fredrik Hagemann	View
35
No records
	29-51	The Middle Ordovician of the Oslo Region, Norway. 6. Notes on bentonites (K-bentonites) from the Oslo-Asker district.	Fredrik Hagemann Nils Spjeldnæs	View