D. Pancheva, N. J. Mitchell, A. H. Manson, C. E. Meek, C. Jacobi, Y. Portnyagin, E. Merzlyakov, W. K. Hocking, J. Macdougall, W. Singer, K. Igarashi, R. R. Clark, D. M. Riggin, S. J. Franke, D. Kurschner, A. N. Fahrutdinova, A. M. Stepanov, B. L. Kashcheyev, A. N. Oleynikov, and H. G. Muller. Variability of the quasi-2-day wave observed in the MLT region during the PSMOS campaign of June-August 1999. J. Atmos. Solar-Terr. Phys., volume 66, issue 6, pages 539-565, 2004 . Y. Portnyagin, T. Solovjova, E. Merzlyakov, J. Forbes, S. Palo, D. Ortland, W. Hocking, J. Macdougall, T. Thayaparan, A. Manson, C. Meek, P. Hoffmann, W. Singer, N. Mitchell, D. Pancheva, K. Igarashi, Y. Murayama, C. Jacobi, D. Kuerschner, A. Fahrutdinova, D. Korotyshkin, R. Clark, M. Taylor, S. Franke, D. Fritts, T. Tsuda, T. Nakamura, S. Gurubaran, R. Rajaram, R. Vincent, S. Kovalam, P. Batista, G. Poole, S. Malinga, G. Fraser, D. Murphy, D. Riggin, T. Aso, and M. Tsutsumi. Mesosphere/lower thermosphere prevailing wind model. Adv. Space Res., volume 34, issue 8, pages 1755-1762, 2004 .