00423nam a2200121Ia 4500008004100000245006200041245003500103260000900138650001400147856004800161999001900209952007300228171211s9999    xx            000 0 und d  aTotality ― The Great American Eclipses of 2017 and 2024  cFred Espenak and Mark Littmann  c1987  xASTRONOMY  uhttp://down.ebook777.com/064/0198795696.pdf  c349390d349390  001040aCLbCLd2017-12-11l0r2017-12-11 00:00:00w2017-12-11yCBE