Authors: Eska, V von Zahn, U Plane, JMC

Citation: V. Eska et al., The terrestrial potassium layer (75-110 km) between 71 degrees S and 54 degrees N: Observations and modeling, J GEO R-S P, 104(A8), 1999, pp. 17173-17186

Authors: Eska, V Hoffner, J von Zahn, U

Citation: V. Eska et al., Upper atmosphere potassium layer and its seasonal variations at 54 degreesN, J GEO R-S P, 103(A12), 1998, pp. 29207-29214