000 00312nam a22001217a 4500
005 20130515022609.0
008 130318b xxu||||| |||| 00| 0 eng d
040 _cKEPU
050 _aQC23
_b.C66 1981
245 _aConcepts of physics
300 _a23cm.
_bill.
942 _2lcc
_cBK
_hQC23.C66 1981
999 _c89401
_d89401