Fritts, D. C., S. Arendt, and O. Andreassen, 1999: The vorticity dynamics of instability and turbulence
        in a breaking internal gravity wave, Earth Planets Space, 51, 457-473.

Fritts, D. C., J. R. Isler, R. S. Lieberman, M. D. Burrage, D. R. Marsh, T. Nakamura, T. Tsuda, and
        R. A. Vincent, 1999: Two-day wave structure and mean-flow interactions observed by radar
        and HRDI, J. Geophys. Res., 104, 3953-3969.

Garten, J. F., J. Werne, D. C. Fritts, and S. Arendt, 1999: The effects of ambient stratification on the
        Crow instability and subsequent vortex reconnection, ESAIM Proc., 7, Third Int'l. Workshop
        on Vortex Flow and Related Numerical Methods, A. Giovannini, G.H. Cottet, Y. Gagnon,
        A. Ghoniem, and E. Meiburg, Eds.

Hill, R. J., D. E. Gibson-Wilde, J. A. Werne, and D. C. Fritts, 1999: Turbulence-induced fluctuations
        in ionization and application to PMSE, Earth Planets Space, 51, 499-513.

Manson, A., C. Meek, M. Hagan, C. Hall, W. Hocking, J. MacDougall, S. Franke, D. Riggin, D. C.
        Fritts,  R. Vincent, and M. Burrage, 1999: Seasonal variations of the semi-diurnal and diurnal tides
        in the MLT: Multi-year MF radar observations from 2 to 70N and the GSWM,
     J. Atmos. Solar-Terres. Phys, 61, 809-828.

Manson, A., C. Meek, C. Hall, W. Hocking, J. MacDougall, S. Franke, K. Igarashi, D. Riggin, D. Fritts,
        and R. Vincent, 1999: Gravity wave spectra, directions, and wave interactions: Global
        MLT-MFR Network, Earth Planets Space, 51, 543-562.

Riggin, D., D. C. Fritts, M. J. Jarvis, and O. L. Jones, 1999: Spatial structure of the 12-hour wave in
        the Antarctic as observed by radar, Earth Planets Space, 51, 621-628.

Werne, J. A., and D. C. Fritts, 1999: Stratified shear turbulence: Evolution and statistics,
   Geophys. Res. Lett., 26, 439-442.

Werne, J. A., and D. C. Fritts, 1999: Anisotropy in stratified shear turbulence, 9th DoD HPC
        User Group Symposium, Monterey, CA.