Authors: Nielsen, KP Deehr, CS Raustein, E Gjessing, Y Sigernes, F

Citation: Kp. Nielsen et al., Polar OH-airglow temperature variations in the 87/88 winter, PHYS CH P C, 26(6), 2001, pp. 405-410

Authors: Nielsen, KP Rottger, J Sigernes, F

Citation: Kp. Nielsen et al., Simultaneous measurements of temperature in the upper mesosphere with an Ebert-Fastie spectrometer and a VHF meteor radar on Svalbard (78 degrees N, 16 degrees E), GEOPHYS R L, 28(5), 2001, pp. 943-946