000 00287nam a22001097a 4500
082 _a363.7
_bCHA.E
100 _aChakraverty, Chiranjit
245 _aEnvironment for everyone
260 _aDelhi
_bAugustan Publishers
_c1990
650 _aEnvironmental problems and services
942 _cBK
999 _c210321
_d210321