000 00276nam a2200121Ia 4500
008 210310s9999 xx 000 0 und d
040 _crty
100 _aMccuskey , S.W.
245 0 _aInteroduction to Celestial Machanics
260 _aUSA.
300 _a1963
942 _cTU
999 _c225348
_d225348