Junjun Tang Jing Wang Cheng Huang Guolun Wang Xiong Wang Subprime Mortgage Crisis Detection in U.S. Foreign Exchange Rate Market by Multifractal Analysis. 2999-3004 2008 ICYCS http://dx.doi.org/10.1109/ICYCS.2008.454 conf/icycs/2008 db/conf/icycs/icycs2008.html#TangWHWW08