000 00401nam a2200157Ia 4500
008 240215s9999 xx 000 0 und d
022 _a0-07-228249-5
040 _aNORSU-Dum
_cNORSU-Dum
082 _a520/Ar6/2000
100 _aArny, Thomas T.
245 0 _aExplorations an Intro to Astronomy
260 _bThe McGraw-Hill Companies, Inc.
_c2000
942 _cBK
942 _yBK
999 _c19347
_d19347