000			00310 a2200121 4500
008			141010b2002 xxu||||| |||| 00| 0 eng d
082			_a520
100			_aHester, Jeff
245			_a21st century Astronomy / _cJeff Hester
260			_aNew York : _bW.W.Norton & Co., _c2002.
300			_a540p.
650			_aAstronomy
999			_c4753 _d4753