Colin Stephen Tonks
http://scholar.google.com/scholar?q=Defeating+the+Delphi+Technique
http://www.nogw.com/documents/_07_defeating_delphi.pdf
http://science.eccellio.com/?cx=013750418607274062422%3Aekbrbietuam&ie=UTF-8&cof=FORID%3A9&q=Defeating+the+Delphi+Technique&lr=&site=&app=&as_qdr=&sa=Search#928
https://www.google.co.uk/search?q=site:ac.uk%20Defeating+the+Delphi+Technique&gws_rd=ssl