000 00281nam a2200109Ia 4500
008 230515s9999||||xx |||||||||||||| ||und||
100 _aBaker Robert H.
_942893
245 3 _aAn Introduction To Astronomy
260 _bD. Van Nastrand Comp.
_c1950
300 _a292
942 _cBK
_pCL
999 _c187445
_d187445