000 00264nam a2200109Ia 4500
008 160921s9999 xx 000 0 und d
100 _aSHARMA,B.L./MAHESHWARI,B.K.
245 _aSAMAJIK VIGYAN SHIKSHAN
260 _bR.LAL PUB.
_c2009
300 _a476
942 _cBK
999 _c31881
_d31881