000 00260nam a22001097a 4500
082 _a530 BEC'I
100 _aBECKER, ROBERT A
_957056
245 _aINTRODUCTION TO THEORATICAL MECHANICS
260 _aNEWYORK
_bMCGRAW HILL
_c1954
300 _a420P
942 _cBK
999 _c567363
_d567363