00294nam a2200109Ia 450000500170000000800410001702000150005805000170007324500490009026000280013965000170016720251229084857.0251229s9999 xx 000 0 und d a0444430105 aQR 41.2 .M53 0aMicrobiology of animals and animal products. aOxfordb Elsevierc1991 aMicrobiology