Vol 41-50

Issue	Pages	Title	Authors

48 ( 1 )
No records
1 2	65-80	A semiquantitative study of trace elements in pyrite by spark source mass spectrography	Roger H. Mitchell	View
47 ( 1 )
No records
4	295-332	The precambrian rocks of the Telemark area in south central Norway	Roger H. Mitchell	View