000 00255nam a22001097a 4500
020 _a0700015213
050 _aMED RA601
_bF6
245 _aHygiene and food production
260 _aix,176pg.
_Longman group ltd
_c1971
300 _aix,176pg.
_bill,
942 _cBK
999 _c9758
_d9758