Emery, B.A. and Barnes, R. M. 1998. CEDAR Data Base
Catalogue. National Center for Atmospheric Research (NCAR), Boulder, CO.
Greenwald, R. A., K. B. Baker, R. A. Hutchins, and C. Hanuise, An HF
phased-array radar for studying small-scale structure in the
high-latitude ionosphere, Radio Sci., 20, 63-79, 1985.
Greenwald, R. A. et al., DARN/SUPERDARN, a global view of the dynamics
of high-latitude convecton, Space Science Reviews, 71, 761-796, 1995.
Ruohoniemi, J. M., R. A. Greenwald, K. B. Baker, and J. P. Villain,
Drift motions of small-scale irregularities in the high-latitude F
region: An experimental comparison with plasma drift motions,
J. Geophys. Res., 92, 4553-4564, 1987.
See also: http://superdarn.jhuapl.edu/