000 00380nam a2200169Ia 4500
008 210210b1950 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a535/170
100 _aWRIGHT (D A)
245 _aSemi conductors
260 _aLondon
_bMethuen & co ltd
_c1950
300 _a130
650 _aSemi
650 _aconductors
690 _aElectronics
906 _a008788
999 _c127536
_d127536