000 00247pam a2200109a 44500
082 _a530.12
_bP957BE COP.2
100 _aEinstein, Albert
245 1 _aLETTERS ON WAVE MECHANICS
260 _a
_bVision
_c1967
964 _gCIRC
997 _aK8635 C
999 _c381036
_d381036