@article{Gustavsson2009a, author = "B. Gustavsson and R. Newsome and T. B. Leyser and M. J. Kosch and L. Norin and M. McCarrick and T. Pedersen and B. J. Watkins", title = "First observations of X-mode suppression of O-mode HF enhancements at 6300 A ", year = 2009 , journal = "Geophys. Res. Lett.", volume = 36, keywords = "amisr, muir", doi = "10.1029/2009GL039421" }