@article {363,
	title = { Optimizing the success of random searches},
	journal = {Nature},
	volume = {401},
	year = {1999},
	month = {Oct 1999},
	chapter = {911{\textendash}914},
	author = {Viswanathan, G.M. and Buldyrev,  S.V. and Havlin, S. and da Luz, M.G.E. and Raposo, E.P. and Stanley, H.E.}
}
