@book{7452,
	author = {Ville, Georges, and Fesquet, A. A.,},
	title = {The school of chemical manures;},
	publisher = {H. C. Baird,},
	year = {1872.},
	address = {Philadelphia,},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00027556747}
}