@article{Hosokawa2020a, author = "K. Hosokawa and A. Kullen and S. Milan and J. Reidy and Y. Zou and H. U. Frey and R. Maggiolo and R. Fear", title = "Aurora in the Polar Cap: A Review", year = 2020 , journal = "Space Science Review", volume = 216, number = 15, keywords = "risrn, rbo", doi = "10.1007/s11214-020-0637-3" }