Zemni gas — разлика између измена

* -{[http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2341738 A Comparison between Shale Gas in China and Unconventional Fuel Development in the United States: Health, Water and Environmental Risks] by Paolo Farah and Riccardo Tremolada. This is a paper presented at the Colloquium on Environmental Scholarship 2013 hosted by Vermont Law School (11 October 2013)}-

* -{[http://rto.american-environmental.us/BTU_Reduction_and_Gas_Conditioning_System.html New Technology For High BTU Natural Gas Fuel Conditioning]}-

 

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