The 1995 intercomparison of UV- and PAR instruments at the University of Oslo
· editors: Bjørn Johnsen and Merete Hannevik ; authors: Bjørn Johnsen ... [et al.]
Bok Engelsk 1997
· editors: Bjørn Johnsen and Merete Hannevik ; authors: Bjørn Johnsen ... [et al.]
Bok Engelsk 1997