-
661
-
662
-
663
-
664
-
665
-
666
-
667
-
668
-
669
-
670
-
671
-
672
-
673
-
674
-
675
-
676
-
677
-
678
-
679by Henriksen, Mona, Mangerud, Jan, Maslenikova, Olga, Matiouchkov, Alexei, Tveranger, JanGet access
Published 2001
Get access
Article in Journal/Newspaper -
680