00503     2200193   4500001002100000005001500021035002000036008004100056245005400097250001200151260003400163300002800197020002200225084001200247082000800259650001400267990001400281990001400295INLIS00000000000003920260413034242  a0010-0317000037260413                           0        a21st Century Astronomy /cby Jeff Hester, [et.al]  a2nd ed.  aNew York :bW.W.Norton,c2007  axxxv, 641 hlm. ;c28 cm  a978-0-393-92443-5  a520 Twe  a520  aASTRONOMY  a011412112  a027413112