000 00287nam a2200121Ia 4500
003 IN-KoSCC
008 211107s9999 000 0 eng
082 _a522-1
100 1 _aPearson,W
245 1 _aIntrod. to practical astronomy
653 _aAstronomy & allied sciences
942 _cBK
999 _c33538
_d33538