*0011547514 *008900126s1989 xx# 000 0 nob *019 $bk *08230$a633.4 *100 $aVie, Rudolf$_18293500 *245 $aBlir dette framtida i potetåker'n? *300 $aS. 40-41 : ill. *520 $aOm frileggingsmetoden *773 $tNorsk landbruk$gÅrg. 108, nr 21 (1989)$x0332-5474$w(NO-LaBS)927680(tnr) *999 $z9000115288$anorart:9000115288 ^