Scientific journal publication Formation of stratospheric nitric acid by a hydrated ion cluster reaction: Implications for the effect of energetic particle precipitation on the middle atmosphere. Kvissel, O.-K.; Orsolini, Y.J.; Stordal, F.; Isaksen, I.S.A.; Santee, M.L. Publication details Journal: J. Geophys. Res., 117, D16301, 2012 DOI: 10.1029/2011JD017257