Vol 41-50

Issue	Pages	Title	Authors

47 ( 1 )
No records
2	201-209	Reviews - Ny litteratur	Nils Spjeldnæs Tom F.W Barth Trygve Strand Ivar Oftedal Johannes A. Dons	View
46 ( 1 )
No records
4	497-509	Silurian tidal sediments from the base of the Ringerike formation, Oslo Region, Norway.	Nils Spjeldnæs	View
44 ( 2 )
No records
1	1-10	Two compound corals from the Tretaspis beds of the Oslo - Asker district.	Nils Spjeldnæs	View
3	435-439	Dolomite from the Middle Ordovician of the Oslo Region.	Per Jørgensen Nils Spjeldnæs	View
42 ( 1 )
No records
1 2	187-203	Notiser - Notes	harald Bjørlykke A.J.Burger Nils Spjeldnæs Christoffer Oftedahl	View
41 ( 2 )
No records
1	45-77	Ordovician climatic zones	Nils Spjeldnæs	View
1	79-84	A new silicified coral from the Upper Ordovician of the Oslo region	Nils Spjeldnæs	View