000 00258nam a22001097a 4500
082 _a363.7
100 _aKAMARAJ P.
245 _aENVIRONMENTAL SCIENCE: CHALENGES AND CHANGES
260 _aCHENNAI
_bSUDHANDHIRA
_c2007
300 _aVIII, 6.55P
942 _cBK
999 _c8778
_d8778