REFERENCES SPECIFIC TO NORWAY Aass , P. , Brown trout stocking in Norway . EIFAC Tech.Pap./Doc.Tech.CECPI , ( 42 ) , Vol.1 : 123-8 1984 ( Walbaum ) in Norway . Berg , M. , 1977 Pink salmon , Oncorhynchus gorbuscha Rep.Inst.Freshwat.Res.