== Eksterne henvisninger ==
{{Commonscat}}
* [http://www.dmi.dk/dmi/index/viden/temaer/lyn_og_torden-2/lyn_og_torden8.htm DMI, Lyn og torden: Kuglelyn] {{Webarchive|url=https://web.archive.org/web/20040220074736/http://www.dmi.dk/dmi/index/viden/temaer/lyn_og_torden-2/lyn_og_torden8.htm |date=20. februar 2004 }}
* [http://ing.dk/artikel/39718 Ing.dk, 02/07/01 Kuglelyn dræber 17 køer (og vælter 80)] {{Webarchive|url=https://web.archive.org/web/20100407144252/http://ing.dk/artikel/39718 |date= 7. april 2010 }}
* [http://ing.dk/artikel/67978 Ing.dk, 15/02/06 Forskere skaber kunstige kuglelyn i laboratoriet] {{Webarchive|url=https://web.archive.org/web/20080917174220/http://ing.dk/artikel/67978 |date=17. september 2008 }}
* {{dmoz|Science/Earth_Sciences/Meteorology/Weather_Phenomena/Thunderstorms_and_Lightning/Ball_Lightning/|Ball Lightning}}
* Ukendt troværdighed: [http://www.mysteries-megasite.com/main/bigsearch/ball-lighting.html Mysteries-megasite.com, Vejviser: Ball Lighting Links] {{Webarchive|url=https://web.archive.org/web/20031205011112/http://www.mysteries-megasite.com/main/bigsearch/ball-lighting.html |date= 5. december 2003 }}
* [http://www.eskimo.com/~billb/tesla/ballgtn.html Ball Lightning Page]
* Webarchive backup: [https://web.archive.org/web/20060919132102/http://apache.airnet.com.au/~fastinfo/microwave/highvoltage/ Alternativ "brødrister": 'Ball Lightning' produced using a high voltage arc and carbon]
* [http://home.dmv.com/~tbastian/ball.htm Tesla's production of electric fireballs] {{Webarchive|url=https://web.archive.org/web/20030402233230/http://home.dmv.com/~tbastian/ball.htm |date= 2. april 2003 }} Citat: "...Our conclusion is that these fireballs are primarily [[Radio Frequency|RF]] in origin, and not nuclear phenomena..."
* [http://news.bbc.co.uk/hi/english/sci/tech/newsid_1721000/1721473.stm 21 December, 2001, BBCNews: Ball lightning baffles scientists]
* [http://www.q-mag.org/ball-lightning/index.html Abstracts of papers of AIS Atmosphere Ionosphere Safety Conference, Kaliningrad, Russia, 2010] {{Webarchive|url=https://web.archive.org/web/20120426085657/http://www.q-mag.org/ball-lightning/index.html |date=26. april 2012 }}
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