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Mason, Charles F., Muehlenbachs, Lucija A. and Olmstead, Sheila M. (2015) The economics of shale gas development. Annual Review of Resource Economics, 7 (1). pp. 269-289. ISSN 1941-1340
Neumayer, Eric (2010) Human development and sustainability. Human development research paper series , 2010/05. United Nations Development Programme , New York, USA.