000 00260nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aD K Goel/ D D Mittal/ R C Jain
245 0 _aPrabandh ke mool tatva
260 _aNew Delhi
_bArya Book Depot
_c1997
942 _cBK
999 _c9519
_d9519