Earle R. Williams (November 2001) "Sprites, elves, and glow discharge tubes," Physics Today, 54 (11) : 41-47. Available on-line at: Physics TodayArchived 2012-05-27 at archive.today.
Sydney Chapman, "Some Thoughts on Nomenclature," Nature 157, (1946): 405. Available on-line at: Nature.
physicstoday.org
Earle R. Williams (November 2001) "Sprites, elves, and glow discharge tubes," Physics Today, 54 (11) : 41-47. Available on-line at: Physics TodayArchived 2012-05-27 at archive.today.