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Rapp, M.
53
Singer, W.
29
Friedrich, M.
28
Robertson, S.
27
Stolle, C.
27
Alken, P.
26
Kervalishvili, G.
26
Kozubek, M.
26
Kristoffersen, S.
26
Latteck, R.
26
Matthias, V.
26
Miyoshi, Y.
26
Siddiqui, T.
26
Strelnikova, I.
26
Torkar, K.M.
26
Ward, W.
26
Yamazaki, Y.
26
Baumann, C.
25
Laštovička, J.
25
Schult, C.
25
Stober, G.
25
Themens, D.R.
25
Lester, M.
15
Davies, J. A.
12
J. A. Davies
11
Milan, S. E.
11
M. Lester
10
David Altadill
9
Etienne Koen
9
Hanna Dahlgren
9
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ionosphere
Astronomy & Astrophysics
59
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59
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56
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Meteorology & Atmospheric Sciences
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550
48
auroral ionosphere
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electron density
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28
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28
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28
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27
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26
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26
ground-based measurement
26
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26
summer
26
Atmospheric composition and structure (Aerosols and particles
25
Middle atmosphere - composition and chemistry) Ionosphere (Ionospheric irregularities)
25
interplanetary dust
25
magnetospheric physics
25
meteor
25
middle atmosphere
25
Atmospheric composition and structure (Middle atmosphere
24
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LeibnizOpen (The Leibniz Association)
61
Directory of Open Access Journals: DOAJ Articles
45
University of Leicester: Leicester Research Archive (LRA)
33
University of Leicester: Figshare
28
DataCite Metadata Store (German National Library of Science and Technology)
20
Unknown
18
University of Tromsø: Munin Open Research Archive
14
MDPI Open Access Publishing
11
Science & Technology Facilities Council: ePublication Archive
8
Jultika - University of Oulu repository
6
University College London: UCL Discovery
6
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
5
NOVA: The University of Newcastle Research Online (Australia)
5
Zenodo
4
Embry-Riddle Aeronautical University: ERAU Scholarly Commons
3
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
3
University of Memphis Digital Commons
3
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
Frontiers: Figshare
2
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2
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2
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Arctic and Antarctic Research (E-Journal)
1
Caltech Authors (California Institute of Technology)
1
Czech Academy of Sciences: dKNAV
1
DataverseNO
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Electronic National Technical University "Kharkiv Polytechnic Institute" Institutional Repository (eNTUKhPIIR)
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Antarctic
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EISCAT
108
Antarc*
86
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48
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43
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29
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28
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ren
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