1. Description and evaluation of a new surveillance program for drug-use in fish farming in Norway;Bangen;Aquaculture,1994
2. Directorate of Fisheries, 2006a. Other species than salmon and trout. Sale specified on whether the production is based on produced juveniles or wild catched fish. Bergen, Norway (http://www.fiskeridir.no/fiskeridir/content/download/7272/59835/file/stat_salg_5_andre. xls).
3. Directorate of Fisheries, 2006b. Salmon and trout. Sale of slaughtered fish by county. Bergen, Norway (http://www.fiskeridir.no/fiskeridir/content/download/7274/59841/file/stat_salg_5_laks. xls).