https://www.sheffield.ac.uk/kroto/about-harry-kroto

http://www.sheffield.ac.uk/kroto/news/rap-workshop-soil-carbon-april-2013-3

http://www.theguardian.com/small-business-network/2015/feb/20/start-up-of-the-year-2014-pura-panela

 

  

 

 

 

 

 

 

 

  

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