Autowaves in a dc complex plasma confined behind a de Laval nozzleM. A. Fink, S. K. Zhdanov, M. Schwabe, M. H. Thoma, H. Höfner, H. M. Thomas and G. E. MorfillEPL, 102 4 (2013) 45001DOI: https://doi.org/10.1209/0295-5075/102/45001