On plasma parameters of a self-organized plasma jet at atmospheric pressure J. Schäfer, F. Sigeneger, R. Foest, D. Loffhagen and K.-D. Weltmann Eur. Phys. J. D, 60 3 (2010) 531-538 Published online: 14 September 2010 DOI: 10.1140/epjd/e2010-00222-5