000 00256nam a2200097Ia 4500
008 160930s9999 xx 000 0 und d
100 _aSingh, M. K. and Singh, Brijendra
245 _aShikshan Takniki
260 _aAgra
_bH. P. Bhargava Book House
942 _cBK
999 _c4605
_d4605