000			00371 a2200145 4500
020			_a8176480444
082			_a577.03 _bTRI
090			_c16787 _d25463
100			_aTrivedi, P. R.
245			_aEncyclopaedia of world environment _bpollution
260			_aNew Delhi _bAPH _c1999 _g2002
300			_avi,330p. _c23cm
650			_aEncyclopaedia of environment
942			_cPR
999			_c44756 _d44756