Chairman's report : conclusions and recommendations from presentations and discussion : Norway/UN Conference on Alien Species, The Trondheim Conferences on Biodiversity, 1-5 July 1996 /
Schei, Peter Johan.
Norway.Direktoratet for Naturforvaltning.
Norsk institutt for naturforskning.
Norway/UN Conference on Alien Species(1996 :Trondheim, Norway)
Trondheim : Directorate for Nature Management  : Norwegian Institute for Nature Research,
1996.
Nonindigenous pests
Biological invasions
Biological diversity conservation