1.  The Impact of OPEC Conference Outcomes on World Oil Prices 1984-2001.


The Energy Journal, 25, 45-62.      Wirl, F., Kukundzic, A.  http://www.allbusiness.com/utilities/745424-1.html



2. Do Speculators Drive Crude Oil Futures Prices?   
Bahattin Buyuksahin
International Energy Agency

Jeffrey H. Harris
University of Delaware - Department of Finance

The Energy Journal, Vol. 32, No. 2, pp. 167-202, 2011

http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1728705

这两篇都是The Energy　Journal 的文章，我下不了，下面是The Energy  Journal 的网站，请大家帮忙，谢谢了！

https://www.iaee.org/en/publications/ejsearch.aspx?entireIssue=true&id=2421