000 00254nam a2200121Ia 4500
008 211209s1979 xx 000 0 und d
041 _aeng
082 _a523.2 N79 JOH
100 _aJOHN A W
245 _aSOLAR SYSTEM
260 _c1979
300 _a196
999 _c15297
_d15297