00285nam a2200109Ia 450000500170000000800410001708200150005810000170007324500350009026000420012530000080016720260224040859.0260224s9999||||xx |||||||||||||| ||und||  a576.15 BUR  aBurns, R.G.  0aExperimental microbial ecology  aOxford : Blackwell Publicationsc1982  a683