2. Image of lighning /C130320/index.htm from NOAA Photo Library http://www.photolib.noaa.gov/historic/nws/wea00602.htm, Kolovoz 2001. PUBLIC DOMAIN.

3. Image of lighning /C130320/index.htm from Tornado and lightning photos http://www.ci.edmond.ok.us/safety/emergency _tornado_lightning_photos.htm, Kolovoz 2001. PUBLIC DOMAIN

4. Image of lighning /C130320/index.htm from "Martin Barritt Photography" http://www2.dynamite.com.au/martyp/lightning/, Martin Barritt, martyp@dynamite.com.au, Kolovoz 2001. Email.

5. Image of lighning /C130320/index.htm from Arizona Lightning Photos http://agate.8k.com/www/lightning.html, Jason Matthiessen, jasonmatthiessen@hotmail.com, Kolovoz 2001. Email.

6. Image of lighning /C130320/index.htm from Lightningphoto http://www.lightningphoto.com/private/images/, Cori Chappell, cori@lightning-multimedia.com, Kolovoz 2001. Email.

7. Image of lighning /C130320/index.htm from Lightning Photographs http://www.srh.noaa.gov/mlb/Lightning_photos.html, Stephen Hodanish, steve.hodanish@noaa.gov, Kolovoz 2001. Email.

  Reference:
ELEKTRONIČI IZVORI
TEKST ILI MULTIMEDIJA SA WEB STRANICA, FTP SITEOVA, TELNETA
1. Franklin's Kite http://www.ushistory.org/franklin/kite/index.htm. Zadnja posjeta: Kolovoz 2001.

ELEKTRONIČI IZVORI
PUBLIKACIJE NA CD-ROMU, DISKETAMA, ILI MAGNETSKIH VRPCI, WWW

1. Saunders Core concepts in physics. Ver. 1.0. Orlando: Saunders College Publishing

ISPRINTANI MATERIJALI
DIJELOVI KNJIGE

1. "Tehnička Enciklopedia" Zagreb: JUGOSLAVENSKI LEKSIKOGRAFSKI ZAVOD, 1969, str. 585-589, 672-681.

ISPRINTANI MATERIJALI
CIJELA KNJIGA

1. Padelin, Mario. Zaštita od groma. Zagreb: ŠKOLSKA KNJIGA, 1987.

2. Požar, Hrvoje. Visokonaponska rasklopna postrojenja. Zagreb: TEHNIČKA KNJIGA, 1984.

3. Keler, Drago - Maričević, Miljenko - Srb, Vjekoslav. Elektromonterski priručnik. Zagreb: TEHNIČKA KNJIGA, 1987.

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