000 00503 a2200265 4500
001 22056
020 _a0
041 _aeng
080 _a621.38 Tho
245 _aElectron physics and technology
250 _a
260 _aLondon
260 _bEnglish University Press,
260 _c1959
300 _axiv,527 p.
300 _c22 cm
490 _a
100 _aThomson, J.
700 _aCallick, E.B.
700 _a
650 _a
650 _aElectrons
942 _cBK
942 _2UDC
999 _c34214
_d34215