Flow visualization in a low-density plasma channelR.L. Kimmel, J.R. Hayes, J. Estevadeordal, J.W. Crafton, S.D. Fonov and S. GogineniEur. Phys. J. Special Topics, 182 (2010) 125-144DOI: https://doi.org/10.1140/epjst/e2010-01229-8