000 00331pam a2200133a 44500
008 160408b1957 xxu||||| |||| 00| 0 eng d
010 _a67013869
082 _a530
_bEF7B
100 _aEfron, Alexander
245 1 _aEXPLORING MODERN PHYSICS
260 _a
_bHayden Book Company, Inc
_c1957
964 _gCIRC
997 _aA8907 C
999 _c241867
_d241867