000 00354nam a2200133Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a363.7
_bT819F
100 _aTrivedi,P.R.
_99537
245 0 _aEnvironmental problems:Impact assessment.
_cP.R.Trivedi
260 _aNew Delhi
_bAkashdeep
_c1992
300 _a304p
942 _cBK
950 _o363.7 T819F
999 _c29344
_d29344