00457nam a2200169Ia 4500008004100000020001500041082001600056100001900072245005900091250000600150260003400156300000800190650002100198650003400219653001200253700002200265170901s1971    xx            000 0 und d  a0571109020  a613.2bC36F  aChristie, A.B. 0aFood Hygience and Food Hazards for all who handle food  a1  aLondonbFaber and Faberc1971  a232  aMedical sciences  aTechnology (Applied sciences)  aHygiene  aChristie, Mary C.