000 00277nam a22001097a 4500
008 120628b xxu||||| |||| 00| 0 eng d
050 _aQC21.2
_b.B49 1979
100 _aBEYER
245 _aCOLLEGE PHYSICS
300 _a22
942 _2lcc
_cBK
_hQC21.2.B49 1979
999 _c64536
_d64536