000 00253nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aYadav, Manju
245 0 _aGraha Vighyan Shikshan
260 _aJaipur
_bPadma
_c2008
300 _a192p.
942 _cBK
999 _c12369
_d12369