Nature and tourism: tools for sustainability : international conference 22-24 May 2007, Arctic Centre, University of Lapland, Arktikum house, Rovaniemi, Finland : abstract book - Kaisanlahti-Jokimäki, M.-L.; Jokimäki, J.; Kivilahti, R; Härkönen, J.; fi=Arktinen keskus|en=Arctic Centre| (fi=Lapin yliopisto|en=University of Lapland|, 2007)