000 00236nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aO P Gupta & others
245 0 _aVyavsay prabandh
260 _aAgra
_bSahitya Bhawan
_c1990
942 _cBK
999 _c7774
_d7774