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*035  $a(NO-LaBS)15195625(bibid)
*035  $a(NO-TrBIB)991885910
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*1001 $aBallard, Karen Ann$0(NO-TrBIB)5226$_88932200
*24510$aComparison of the acoustic repertoires of grey (Halichoerus grypus), harp (Phoca groenlandica), hooded (Cystophora cristata) and harbour (Phoca vitulina) seals$cKaren Ann Ballard
*260  $aOntario$bUniversity of Waterloo$c1993
*300  $aXIV, 239 s.$bill.
*500  $aFotografisk opptrykk fra University Microfilms International, Ann Arbor, Mich.
*502  $aAvhandling (Ph.D.) - University of Waterloo, 1993
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*999  $aoai:nb.bibsys.no:999918859104702202$b2021-11-14T20:34:29Z$z999918859104702202
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