000 00423pab a2200169 454500
008 180718b xxu||||| |||| 00| 0 eng d
100 _aRanganathan K.R.
245 _aUrban ecosystems - environmental indicators
362 _a8(1-2), Jan-Apr 93, p.24-30
650 _a Pollution
650 _a Noise
650 _a Environment
650 _a Automobiles
650 _aMotor Vehicles
773 _aSpace
909 _a25947
999 _c25947
_d25947