@book{204976,
	author = {Polacco, Joseph C., and Wiley InterScience (Online service)},
	title = {Ecological aspects of nitrogen metabolism in plants /},
	publisher = {Wiley-Blackwell,},
	year = {2011, ©2011.},
	address = {Chichester, West Sussex, UK ;},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9780470959404}
}