Topic is the contents of the paper: 
Drag-mode airborne wind energy vs. wind turbines: An analysis of power production, variability and geography
Full paper:
The article is now online at: https://authors.elsevier.com/a/1aMK11H%7Ec%7E7c2u   
E. C. Malz [Department of Electrical Engineering, Chalmers University of Technology, Göteborg, Sweden]
F. Hedenus [
Department of Space, Earth and Environment, Chalmers University of Technology, Göteborg, Sweden]
L. Göransson
[Department of Space, Earth and Environment, Chalmers University of Technology, Göteborg, Sweden]
V. Verendel  [Department of Computer Science and Engineering, Chalmers University of Technology, Göteborg, Sweden]
S.  Gros  [Department of Engineering Cybernetics, Norwegian University of Science and Technology, Trondheim, Norway]
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