A time-lapse nest study of a pair of gyrfalcons Falco rusticolus from their arrival at the nesting ledge to the completion of egg-laying
Per J. TømmeraasArtikkel Engelsk
*0011548179 *008900221s1989 xx# 000 0 eng *019 $bk *08230$a598 *100 $aTømmeraas, Per J.$_61649300 *245 $aA time-lapse nest study of a pair of gyrfalcons Falco rusticolus from their arrival at the nesting ledge to the completion of egg-laying$cPer J. Tømmeraas *300 $aS. 52-63 : ill. *520 $aNorsk sammendrag *773 $tFauna norvegica. Ser. C$gVol. 12, no. 2 (1989)$x0332-7701$w(NO-LaBS)317575(tnr) *999 $z9000115961$anorart:9000115961 ^