000 00333nam a2200133Ia 4500
008 131111s9999 xx 000 0 und d
100 _aSwarup,R
245 _aEncyclopeadia of ecology,environment and pollution control
260 _aDelhi
260 _bMittal
300 _a20 v.
650 _aEnvironment
_aEcology
763 _a4860
999 _c46270
_d46270