*0011689424 *008960620s1996 xx# 000 0 nob *019 $bk *08230$a613.5 *100 $aEkern, Lise$_133010900 *245 $aDårlig inneklima - kan det skyldes farlige mikrober? *300 $aS. 15 : ill. *773 $tArbeidervern$gÅrg. 24, nr 1 (1996)$x0332-7124$w(NO-LaBS)513495(tnr) *999 $z9600204565$anorart:9600204565 ^