003370000a22001450004500020001500000060000800015082001400023100002200037100001400059245002900073260004500102260000900147300000800156650002700164  a0706921348  a100  a589.9 SIN  aSheela srivastava  aSinha, U.  aIntroduction to bacteria  aNewdelhi, Vikas Publishing House Pvt Ltd  c1983  a259  aBacteria/ microbiology