00472nam a2200181Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082002300095100001700118245005300135260004500188300001800233365001300251650002600264OSt20230320104146.0210423s2010    xx            000 0 und d  a9788173198090  cAL  aeng  a363.738 bSODG223  aSODHI (G S).  aFundamental concepts of environmental chemistry.  aNew DelhibNarosa Publishing Housec2010  axviii,537bPB  b395cINR  aOther Social Problems