000 00243nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aA C Aggarwal awam anya
245 0 _aPrabandh ke siddhaant
260 _aDelhi
_bDhanpat rai
_c1987
942 _cBK
999 _c6174
_d6174