Articles Study of the seasonal ozone variations at European high latitudes (2011) Werner, R., Stebel, Kerstin, Hansen, Georg Heinrich, Hoppe, Ulf-Peter, Gausa, Michael, Kivi, R., Gathen, P. von der, Orsolini, Yvan, Kilifarska, N. -
Rapporter Stratospheric warmings - the quasi-biennal oscillation - ozone hole in the Antarctic but not the Arctic - correlations between the solar cycle, polar temperatures, and an equatorial oscillation (2001) Hoppe, Ulf