Recent changes in the breeding population and nesting habits of Black-headed Gull Larus ridibundus L.in the Østfold archipelago, SE Norway
Ole Jørgen Hanssen Artikkel Engelsk
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*0011477984 *008820920s1982 xx# 000 0 eng *019 $bk *08230$a598.2 *100 $aHanssen, Ole Jørgen$_133107600 *245 $aRecent changes in the breeding population and nesting habits of Black-headed Gull Larus ridibundus L.in the Østfold archipelago, SE Norway *300 $aS.10-15 *773 $tFauna norvegica. Ser. C$gVol.5, no.1 (1982)$x0332-7701$w(NO-LaBS)317575(tnr) *999 $z8200045877$anorart:8200045877 ^