000 00329nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c270
040 _aET
100 _aCHATURVEDI, D D
245 0 _aENVIRONMENTAL STUDIES
260 _bSCHOLER TECHNICAL PRESS
_aNEW DELHI
300 _a250
500 _a54692
942 _cBK
999 _c60705
_d60705