Research articleRestricted accessResearch articleFirst published May, 1990pp. 61-74 Hanne CollingPreview abstractGet AccessAbstract
In briefRestricted accessIn briefFirst published May, 1990pp. 73-74English Summary Preview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 75-84 Torild Hammer, Per VaglumPreview abstractGet AccessAbstract
In briefRestricted accessIn briefFirst published May, 1990pp. 84-84English Summary Preview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 85-92 Ilpo KoskikallioPreview abstractGet AccessAbstract
In briefRestricted accessIn briefFirst published May, 1990pp. 92-92English Summary Preview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 93-104 Ole-Jørgen SkogPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 105-107 Tómas HelgasonPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 108-109 Ragnar HaugePreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 109-110 Claes ÖrtendahlPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 110-111 Olaf Gjerløw AaslandPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 111-113 Esa ÖsterbergPreview abstractGet AccessAbstract
OtherRestricted accessOtherFirst published May, 1990pp. 114-116 Kerstin SteniusPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 117-117 Thorkil ThorsenPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published May, 1990pp. 118-126 Thomas KolkPreview abstractGet AccessAbstract