@article {Leip2014,
	title = {{The nitrogen footprint of food products in the European Union}},
	journal = {The Journal of Agricultural Science},
	volume = {152},
	number = {S1},
	year = {2014},
	month = {oct},
	pages = {20{\textendash}33},
	keywords = {Footprint, mypublications, nitrogen, online},
	issn = {0021-8596},
	doi = {10.1017/S0021859613000786},
	url = {http://www.journals.cambridge.org/abstract{\_}S0021859613000786},
	author = {Leip, Adrian and Weiss, Franz and Lesschen, Jan Peter and Westhoek, Henk}
}
