000 00274nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a9966010688
082 _a613MUG
100 _aMugambi Ruth
245 0 _aHygiene
260 _bFocus publishers
_c2006
942 _cBK
999 _c447256
_d447256