000 00326nam a2200145Ia 4500
008 221121s9999 xx 000 0 und d
041 _aENGLISH
082 _bSRI
100 _aSRIVASTAVA,YOGENDRA
245 0 _aENVIRONMENTAL POLLUTION
260 _bAPH PUBLICATION
300 _a84
650 _aPEDAGOGY
942 _cREF
999 _c177594
_d177594