000 00246pam a2200121a 44500
082 _a530
_bW69M4
100 _aWilson, H.A.
245 1 _aMODERN PHYSICS
250 _a4
260 _a
_bBlackie & Son
_c1959
964 _gCIRC
997 _a5997 C
999 _c408969
_d408969