Volcano Oregonstate
http://volcano.oregonstate.edu/vwdocs/volc_images/southeast_asia/indonesia/tambora.html
Weather Wiz Kids
http://www.weatherwizkids.com/weather-volcano.htm
Volcano Discovery
http://www.volcanodiscovery.com/
Wikipedia
http://www.wikipedia.com
http://en.wikipedia.org/wiki/Types_of_volcanic_eruptions
The Guardian
http://www.theguardian.com/science/2003/sep/04/thisweekssciencequestions3
Live Science
http://www.livescience.com/27421-mount-etna.html
http://www.angelfire.com/va3/etna_analysis/Formation.
htmhttp://www.livescience.com/27421-mount-etna.html
http://volcano.oregonstate.edu/vwdocs/volc_images/southeast_asia/indonesia/tambora.html
Weather Wiz Kids
http://www.weatherwizkids.com/weather-volcano.htm
Volcano Discovery
http://www.volcanodiscovery.com/
Wikipedia
http://www.wikipedia.com
http://en.wikipedia.org/wiki/Types_of_volcanic_eruptions
The Guardian
http://www.theguardian.com/science/2003/sep/04/thisweekssciencequestions3
Live Science
http://www.livescience.com/27421-mount-etna.html
http://www.angelfire.com/va3/etna_analysis/Formation.
htmhttp://www.livescience.com/27421-mount-etna.html