*0011732727
*008990308s1997    xx#           000 0 nob
*019  $bk
*08230$a628.16
*100  $aKrogh, Truls$_129425100
*245  $aHygieniske barrierer i vannforsyningen
*300  $aS. 11-12
*650  $aVannforsyning$2norart$_12414300
*650  $ahygiene$9nor$2norart$_131406700
*700  $aHofshagen, Toril$_133935500
*773  $tMiljø & helse$gÅrg. 16, nr 2 (1997)$x0807-4461$w(NO-LaBS)423401(tnr)
*999  $z9900247886$anorart:9900247886
^