1. Fluctuations and electron inertia;Bakker;Physica,1941
2. The noise factor of four-terminal networks;Becking;Philips Research Repts.,1955
3. Fluctuation of electron current;Bell;J. Inst. Elec. Engrs. (London),1946
4. Induced grid noise and noise factor;Bell;Proc. Inst. Radio Engrs.,1951
5. A minimum noise figure for traveling wave tubes;Bloom;RCA Rev.,1954