000 00245nam a2200097Ia 4500
008 170912s9999 xx 000 0 und d
100 _aTHIRUVENKATACHARYA V
245 2 _aA TEXT BOOK OF ASTRONOMY
260 _bAJITH BOOK CENTRE
_c1972
942 _cTB
999 _c24624
_d24624