000 00305nam a2200121 4500
008 160616s 000 0
245 _aMechanics tr by martin O stern
100 _aSommerfeld, Arnold
440 _aLectures on theoretical physics, 1
500 _aB7 J2
942 _cBK
_2BK199
080 _a531 SOM
999 _c199
_d199