Vol 41-50

Issue	Pages	Title	Authors

48 ( 1 )
No records
4	217-230	Age of Bogo Shale and western Ireland grapholite faunas and their bearing on dating Early Ordovician deformation and metamorphism in Norway and Britain	William B.N. Berry	View
44 ( 1 )
No records
1	61-169	The Middle Ordovician of the Oslo Region, Norway. 16. Graptolites of the Ogygiocaris series.	William B.N. Berry	View