00285nam a22001217a 4500020001800000082001600018100002000034245002900054250001200083260003800095300001300133654001700146  a9789350255100  a616.01bKUM  aKumar, Surinder  aTextbook of microbiology  a1st ed.  aNew DelhibJay Pee Brothersc2012  a1-784 p.  aMicrobiology