*0011692534 *008960919s1996 xx# 000 0 nob *019 $bk *08230$a633.4 *100 $aSletten, Arild$_134734500 *245 $aMørk ringråte, en farlig potetsykdom *300 $aS. 26-27 : ill. *773 $tNorsk landbruk$gÅrg. 115, nr 6 (1996)$x0332-5474$w(NO-LaBS)927680(tnr) *999 $z9600207676$anorart:9600207676 ^