000 00253nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aAbhay Kumar Dubey
245 0 _aVishav prasiddh unsuljhe rahsay
260 _aNew Delhi
_bPustak Mahal
_c1994
942 _cBK
999 _c8741
_d8741