Geological Survey of Norway, Leiv Eirikssons vei 39, Trondheim, NO-7491, Norway ; AIRIE Program, Department of Geosciences, Colorado State University, Fort Collins, CO 80523-1482, United States
Geological Survey of Norway, Leiv Eirikssons vei 39, Trondheim, NO-7491, Norway
AIRIE Program, Department of Geosciences, Colorado State University, Fort Collins, CO 80523-1482, United States
Geological Survey of Norway, Leiv Eirikssons vei 39, Trondheim, NO-7491, Norway