Dittmann, K., Matyash, K., Nemschokmichal, S., Meichsner, J., & Schneider, R. (2010). Excitation Mechanisms and Sheath Dynamics in Capacitively Coupled Radio-Frequency Oxygen Plasmas. Contributions to Plasma Physics, 50(10), 942-953. doi:10.1002/ctpp.201000038.