References

 

“Conservation” Encyclopedia Britannica Online

http://www.search.eb.com/bol/topic?eu=117741&sctn=9&pm+1

[Accessed 11 April 200]

 

“What is Ozone” A brief look at Ozone

trimline@networkx.com

[April 2000]

 

“Understanding Ozone”

<http://daac.gsfc.nasa.gov/CAMPAIGN­_DOCS/ATM_CHEM/creation.html>

[April 2000]

 

“Ozone: What is it, and why do we care about it?”

http://pao.gsfc.nasa.gov/gsfc/service/gallery/fact_sheets/earthsci/ozone.htm

[April 2000]

 

“Oxyfresh-air”

http://www.oxyfresher.com/ozone/index.html

[April 2000]

 

“ozone” Encyclopedia Britannica Online

http://www.search.eb.com/bol/topic?idxref=593172&pm=1

[Accessed 11 April 2000]

 

“environmental works” Encyclopedia Britannica Online

http://www.search.eb.com/bol/topic?eu=127657&sctn=18&pm=1

[Accessed 11 April 2000]

 

“Ozone,” Microsoft Encarta Online Encyclopedia 2000

http://encarta.msn.com 

copyright 1997-2000 Microsoft Corporations.