000 00305nam a2200133Ia 4500
001 16985
008 170722s9999 xx 000 0 und d
100 _aSewell, Robert
245 _aSiddhantas and the Indian calendar /
260 _c1924.
653 _aCalendar
653 _aMathematics
942 _cGEN
999 _c45769
_d45769