000 003390000a22001330004500
008 140223b1948 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aC6:15 H8;1
082 _aC6:15 H8;1
100 _aFRANCIS (V.J.)
245 _aFundamentals of discharge tube cicuits.
260 _aLondon
_bMethuen
_c1948
650 _aELECTRICITY
999 _c226556
_d226556