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Blueplanetbiomes.org. (2000). Taiga biomes. [online] Retrieved from: http://www.blueplanetbiomes.org/taiga.htm [Accessed: 9 Jan 2014].
En.wikipedia.org. (2010). Taiga - wikipedia, the free encyclopedia. [online] Retrieved from: http://en.wikipedia.org/wiki/Taiga [Accessed: 9 Jan 2014].
Php.radford.edu. (1997). Boreal forest (taiga) | biomes of the world. [online] Retrieved from: https://php.radford.edu/~swoodwar/biomes/?page_id=92 [Accessed: 9 Jan 2014].