00342nam a2200133Ia 4500001000500000005001700005008004100022020001500063082001200078100002100090245006600111260001700177650001400194320020261006003703.0120911s9999    xx            000 0 und d  a0697231240  a520 TIL  aTillery, Bill W.  aAstronomy : foundations of physical science / Bill W. Tillery  aW.M.C. Brown  aAstronomy