The G-20 and International Economic Cooperation: Background and Implications for Congress
http://www.fas.org/sgp/crs/row/R40977.pdf
Discusses the rise of the G-20 as a force for international economic cooperation from the 1970s to date, how the G-20 operates, results of previous summits, and the current argument over the effectiveness of the group. From the Congressional Research Service, posted by the Federation of American Scientists
