Mineral Resources in the Arctic; Geological Survey of Norway, Rognvald Boyd, Terje Bjerkgård, Bobo Nordahl, Henrik Schiellerup (editors), ISBN 978-82-7385-160-4. Price of the book: NOK 600, approximately USD 73.5; can be downloaded (148 Mb) from http://www.ngu.no/en/projects/overview-most-important-mineral-deposits-