Publication: The seasonal cycle of gravity wave momentum flux and forcing in the high latitude northern hemisphere mesopause region

de Wit, R.J., R.E. Hibbins, and P.J. Espy (2014), The seasonal cycle of gravity wave momentum  flux and forcing in the high latitude northern hemisphere mesopause region, J. Atmos. Solar Terr. Phys., doi.org/10.1016/j.jastp.2014.10.002  (pdf)