Wake turbulence observed behind an upstream “extra” particle in a complex (dusty) plasmaS. Zhdanov, C.-R. Du, M. Schwabe, V. Nosenko, H. M. Thomas and G. E. MorfillEPL, 114 5 (2016) 55002DOI: https://doi.org/10.1209/0295-5075/114/55002