المؤلفون: Cottis, Thomas, Solberg, Svein Øivind, Nyvold, Magnus, Johansen, Astrid, Stabbetorp, Jan, Berg, Erik Hørluck, Solberg, Harald, Arnstad, Marit, Mousavi, Hesam

الاتاحة: https://hdl.handle.net/11250/2728640