000 00258nam a2200109Ia 4500
008 160710s1992 xx 000 0 und d
100 _aSAHA,M.N AND LAHIRI,N.C
245 _aHISTORY OF THE CALENDER
260 _bCSIR
_c1992
300 _a279
942 _2ddc
_cD
999 _c69732
_d69732