00290nam a2200109Ia 4500008004100000082001600041100002300057245004300080260003200123650001300155650001200168220204s9999    xx            000 0 und d  a578.81bSTE  aSTEVENSON, Grera B 0aBiology of fungi bacteria and viruses.  aLondonbEdward Arnoldc1967  aBacteria  aViruses