000 00428nam a2200169Ia 4500
008 170901s1975 xx 000 0 und d
082 _a537.56
_bZ-6E
100 _aZhigarev. A.
245 0 _aElectron Optics And Electron-Beam Devices
260 _aMoscow
_bMir Publishers
_c1975
300 _a562
650 _aPhysics
650 _aPure Sciences
653 _aElectron optics
653 _aElectron tubes
942 _2ddc
_cBK
999 _c5299
_d5299