00264nam a2200121Ia 4500008004100000020001800041082001400059100001700073245002200090250000800112260001400120300000800134201020s9999    xx            000 0 und d  a0-07-462101-7  a544.02.03  aFRAZIER W.C. 0aFOOD MICROBIOLOGY  a4th  bTMHc2003  a539