00302nam a2200109Ia 4500008004100000082002100041100003100062245003000093250000900123260005100132300000900183240913s9999||||xx |||||||||||||| ||und||  aGS    579  VER/H  aP.S Bisen and Kavita Verma 0aHand book of Microbiology  aNULL  bC B S Publishers and DistributorsaDelhic1994  a199p