*0011523330
*008871201s1987    xx#           000 0 eng
*019  $bk
*08230$a598.253
*100  $aPettersen, Roar$_157616200
*245  $aBird community changes in grey alder forests due to grazing by cattle$cPoar Pettersen
*300  $aS. 1-6
*520  $aNorsk sammendrag
*773  $tFauna norvegica. Ser. C$gVol. 10, no. 1 (1987)$x0332-7701$w(NO-LaBS)317575(tnr)
*999  $z8700090573$anorart:8700090573
^