000 00281nam a2200133Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
020 _a
100 _aSommerfeld, Arnold
245 _aMechanics
250 _a
260 _aLondon
_bAcadamic Press
_c
300 _a289
700 _a
_a
999 _c7959
_d7959