作者：Bj&#xf8 ; rnar Sæ ; thera ; bjornar.sather@sgeo.uio.no"" rel=""nofollow ; Arne Isaksenb ; arne.isaksen@uia.no"" rel=""nofollow ; Asbj&#xf8 ; rn Karlsenc ; asbjoern.karlsen@svt.ntnu.no"" rel=""nofollow

关键词：Innovation systems ; Co-evolution ; Natural resources ; Petroleum ; Aluminium ; Norway

刊名：Geoforum

年：2011

作者：Alemayehu E. Masreshaa ; b ; alemayehu.masresha@umb.no"" rel=""nofollow ; alem_esa@yahoo.com"" rel=""nofollow ; Lindis Skipperuda ; Bj&#xf8 ; rn Olav Rosselanda ; Zinabu G.M.b ; c ; Sondre Melandd ; Hans-Christian Teiena ; Brit Salbua

关键词：Trace element ; At-site fractionation ; Ethiopian Rift Valley Lakes ; Inflows ; Dry season ; wet season ; Environmental impact

刊名：Science of the Total Environment

年：2011

作者：Bj&#xf8 ; rn Vollan

关键词：Field experiment ; Common-pool resource experiment ; Trust game ; Motivational crowding-out ; Ecological rationality

刊名：Ecological Economics

年：2008