00299nam a22001097a 4500008004100000020001800041082002600059100001600085245004400101260003200145300001200177140125b        xxu||||| |||| 00| 0 eng d  a9788183565752  aCir. 574.5 K53bc2010  aKhanna D.R.  aMarine microbial ecology /cD.R Khanna.  aNew DelhibDiscoverycc2010  a194p. :