000 00300nam a2200133Ia 4500
008 211001s2010 xx 000 0 eng d
020 _a9788172336233
082 _a621.042
100 _aOjha, D.D.
245 0 _aApar urja
260 _c2010
_aJodhpur
_bSci. Pub.
300 _a162
942 _2ddc
_cBK
999 _c39217
_d39217