000 00280nam a2200121Ia 4500
003 IN-KoSCC
008 211107s9999 000 0 eng
082 _a521-19
100 1 _aAiyar,H.S
245 1 _aText book of astronomy
653 _aAstronomy & allied sciences
942 _cBK
999 _c32909
_d32909