000 00303nam a2200121Ia 4500
005 20240713134310.0
008 240712s9999 xx 000 0 und d
041 _aeng
100 _aArun kumar singh
245 _aAdhunik samanya manovigyan
260 _aDelhi
_b Motilal banarsidas
_c2015
300 _a570
999 _c11467
_d11467