00310nam a2200109Ia 450000500170000000800410001705000140005810000190007224500560009126000360014765000170018320251229191052.0251229s9999    xx            000 0 und d  aQR 41 .L5  aLinday, E. M.  0aPractical introduction to microbiologycE. M Linday  aLondonb E & F N Spon Ltdc1962  aMicrobiology