Trends in the numbers of migrating shorebirds at Revtangen bird observatory, SW Norway, in the 21-year period 1947-67
Ingvar Byrkjedal and Anders Bernhoft-OsaArtikkel
Engelsk
*0011482808 *008830407s1982 xx# 000 0 eng *019 $bk *08230$a598.2 *100 $aByrkjedal, Ingvar$_95726000 *245 $aTrends in the numbers of migrating shorebirds at Revtangen bird observatory, SW Norway, in the 21-year period 1947-67$cIngvar Byrkjedal and Anders Bernhoft-Osa *300 $aS.53-58 *700 $aBernhoft-Osa, Anders$_163174400 *773 $tFauna norvegica. Ser. C$gVol.5, no.2 (1982)$x0332-7701$w(NO-LaBS)317575(tnr) *999 $z8300050810$anorart:8300050810 ^