000 00525cam a22002057a 4500
001 003184
003 armpuni
005 20160923152358.0
008 160923s1937####xx#a##########000#0#und#d
040 _aarmpuni
_carmpuni
041 _aen
080 _a621.385.1
100 1 _aKoller, L.R.
245 1 0 _aThe physics of electron tubes /
_cL.R. Koller
250 _a2nd. ed.
260 _aNew York :
_bMcGraw-Hill Book Company, Inc.,
_c1937
300 _a234 p.;
_c23,5 cm.
942 _cLB
_2cdu
945 _aInfor
_d1979-11-04
999 _c3183
_d4358