000 00245nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aR D Sharma awam anya
245 0 _aPrabandh ke siddhaant
260 _aNew Delhi
_bKalyani Pub
_c1987
942 _cBK
999 _c6230
_d6230