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- Language: English
- Year: 2019

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- Year: 2014

- Author: Kim G. Helsvig (auth.) Helge Holden Ragni Piene (eds.)
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- Year: 2014

- Author: Arild Stubhaug (auth.) Helge Holden Ragni Piene (eds.)
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- Year: 2010

- Author: Arild Stubhaug (auth.) Helge Holden Ragni Piene (eds.)
- Language: English
- Year: 2010