C. C. Triplett, J. Li, R. L. Collins, G. A. Lehmacher, A. Barjatya, D. C. Fritts, B. Strelnikov, F.-J. Luebken, B. Thurairajah, V. L. Harvey, D. L. Hampton, and R. H. Varney. Observations of Reduced Turbulence and Wave Activity in the Arctic Middle Atmosphere Following the January 2015 Sudden Stratospheric Warming. Journal of Geophysical Research: Atmospheres, American Geophysical Union, volume 123,  2018 .