@article{Petroni2004,
	title = {Real prices from spot foreign exchange market},
	author = {Filippo Petroni and Maurizio Serva},
	day = {01},
	journal = {Physica A: Statistical Mechanics and its Applications},
	month = {Dec},
	number = {1-2},
	pages = {194--197},
	url = {http://www.sciencedirect.com/science/article/B6TVG-4CXKN13-2/1/32d61ecc64eeff382133adb1ac60d0f5},
	volume = {344},
	year = {2004},
	biburl = {http://www.bibsonomy.org/bibtex/2f4bc8ecb500713d22800b8972b0057cc/smicha},
	description = {Physica A},
	keywords = {Econophysics }
}