000 00253pam a2200109a 44500
082 _a530.1
_bAN2A2
100 _aAndrade, E.N.Da C.
245 1 _aAN APPROACH TO MODERN PHYSICS
260 _a
_bG.Bell And Sons
_c1960
964 _gCIRC
997 _a6836 C
999 _c410153
_d410153