000 00250nam a2200109Ia 4500
008 160921s9999 xx 000 0 und d
100 _aBHATNAGAR,A.B.
245 _aBHAUTIK VIGYAN SHIKSHAN
260 _bSURYA PUB
_c2009
300 _a410
942 _cBK
999 _c31557
_d31557