@article{Sandahl2008a, author = "I. Sandahl and T. Sergienko and U. Brändström", title = "Fine structure of optical aurora", year = 2008 , journal = "J. Atmos. Solar-Terr. Phys.", volume = 70, number = 1, pages = "2275-2292", keywords = "amisr, pfisr, pfrr", doi = "10.1016/j.jastp.2008.08.016" }