00449nam a22001697a 4500003000800000005001700008008004100025020001500066040002100081082001300102100001800115245004300133260004000176300003300216365001700249650001300266BD-DhUL20141119125245.0141119s2005    xxua|||| |||| 001 0 eng d  a8187815248  aBD-DhULcBD-DhUL  a574bPRE1 aPrasad, S. N.10aEnvironmental biology /cS. N. Prasad.  aNew Delhi : bCampus Books, c2005.  avi, 485 p.: bill. ;c21 cm.  aIRSb1000.00 0aEcology.