المؤلفون: Castro Tejera, Valeria, Öhman, Lena, Aabakken, Lars, Fellström, Bengt, Hausken, Trygve, Hovde, Øistein, Hreinsson, Johann P., Lindberg, Greger, Venge, Per, Simrén, Magnus, Törnblom, Hans
الإتاحة: https://hdl.handle.net/11250/3084783
الإتاحة: https://hdl.handle.net/11250/3028862