@book{204968,
	author = {Johnson, Christopher C.},
	title = {Mapping the chemical environment of urban areas /},
	publisher = {Wiley-Blackwell,},
	year = {2011.},
	address = {Chichester, West Sussex, UK ;},
	note = {Includes index.},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9780470670071}
}