Christian Michelsen Research AS, P.O. Box 60315892 Bergen, Norway.|Christian Michelsen Research AS, P.O. Box 60315892 Bergen, Norway.|Christian Michelsen Research AS, P.O. Box 60315892 Bergen, Norway.|Christian Michelsen Research AS, P.O. Box 60315892 Bergen, Norway.|Christian Michelsen Research AS, P.O. Box 60315892 Bergen, Norway.|Christian Michelsen Research AS, P.O. Box 60315892 Bergen, Norway.