000 00240nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aR K Gupta/ O P Gupta
245 0 _aUchchtar lekhawidhi
260 _aAligarh
_bNavman Prakashan
942 _cBK
999 _c6343
_d6343