000 00287nam a2200121Ia 4500
008 220108s9999||||xx |||||||||||||| ||und||
100 _aRITU BIR
245 0 _aENVIRONMENTAL STUDIES
260 _bVAYU EDUCATION OF INDIA
_c2009
300 _a180
650 _aENVIRONMENTAL
942 _cREF
999 _c21201
_d21201