000 00327nam a2200121Ia 4500
008 240125s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _a537.53
_bN50 SHO
100 _aShockley, Williams
_917028
245 0 _aElectrons and holes in semiconductors
260 _bVan nostrand co. Inc
_aToranto
_c1950
942 _cBK
999 _c28632
_d28632