LEADER 00726nam0-22002651i-450- 001 990000974080403321 035 $a000097408 035 $aFED01000097408 035 $a(Aleph)000097408FED01 035 $a000097408 100 $a20000920d1961----km-y0itay50------ba 101 0 $aeng 200 1 $aPhysics and Techniques of Electron Tubes$fR. Champeix 210 $aOxford [etc.]$cPergamon Press$d1961 610 0 $aFisica elettronica 676 $a537.5 700 1$aChampeix,$bR.$026631 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990000974080403321 952 $a31A-009$b2266$fFI1 959 $aFI1 996 $aPhysics and Techniques of Electron Tubes$9352982 997 $aUNINA DB $aING01