@article{Gopikrishnan2001,
	title = {Price fluctuations and market activity},
	author = {P. Gopikrishnan and V. Plerou and X. Gabaix and L. A. N. Amaral and H. E. Stanley},
	day = {01},
	journal = {Physica A: Statistical Mechanics and its Applications},
	month = {Oct},
	number = {1-2},
	pages = {137--143},
	url = {http://www.sciencedirect.com/science/article/B6TVG-447MXW6-N/1/47f0a503a67203ab2423b964f213299f},
	volume = {299},
	year = {2001},
	biburl = {http://www.bibsonomy.org/bibtex/2112263eab2e84bd946422b359ba1e19a/smicha},
	description = {Physica A},
	keywords = {Anomalous diffusion }
}