00306nam a2200097Ia 4500008004100000082001700041245003800058260004800096300001000144650005400154140113s9999    xx            000 0 und d  a576.8.093 J7  aManual of microbiological methods  b"New York : McGraw-hill book company, 1957"  a315p.  aMethods in microbiology ; Microbiological methods