@book{391574,
	author = {JOHNSON, Lallen},
	title = {Classifying drug markets by travel patterns},
	publisher = {ed. do a.},
	year = {2012},
	address = {[Pennsylvania]},
	note = {Technical report funded by the U.S. Department of Justice, Award nr. 2010-IJ-CX-1675. Ficheiro de 3,53 MB em formato PDF (228 p.). Disponível também em: https://www.ncjrs.gov/pdffiles1/nij/grants/239862.pdf. Acedido a 10 de abril de 2013.}
}