*0011679238 *008961024s1980 xx# 000 0 nob *019 $bk *08230$a636.2 *100 $aEkern, Asmund$_148721500 *245 $aProteinforsyningen til melkekyr *300 $aS.76-79 *773 $tVestlandsk landbruk$gÅrg.67, nr.4 (1980)$x0332-9690$w(NO-LaBS)607351(tnr) *999 $z9600033498$anorart:9600033498 ^