000 00258nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aSatyavrat Siddhaantalankaar
245 0 _aUpnishat prakash
260 _aNew Delhi
_bVijaykrishan Lakhanpal
_c1981
942 _cBK
999 _c5257
_d5257