000 00239nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS C Aggarwal
245 0 _aVipannan ke siddhaant
260 _aNew Delhi
_bDhanpat Rai
_c2003
942 _cBK
999 _c11329
_d11329