1. The Mechanism of Electrical Discharges in Gases of Low Pressure
2. �ber den Einflu� sehr geringer Beimischungen auf die Z�ndspannung der Edelgase
3. The starting potential of the glow discharge in neon argon mixtures between large parallel plates
4. K. Jeleń, Avalanche multiplication of electron in the mixtures of gases and vapours, Scientific Bulletins of the Stanislaw Staszic University of Mining and Metallurgy, No 786, Craców 1980 (in Polish).
5. J. Zajac, Electron multiplication process in the mixtures of gases and vapours at low mixture pressure (Ph.D. thesis), AGH, University of Science and Technology, Craców, Poland, 1994.