000 00250pam a2200109a 44500
082 _a541.383
_bL64AW COP.2
100 _aLinnett,J.W.
245 1 _aWAVE MECHANICS AND VALENCY
260 _a
_bMethuen & Co
_c1960
964 _gCIRC
997 _a19466 C
999 _c413613
_d413613