@book{2018,
	author = {Singer, Michael J. and Munns, Donald N.},
	title = {Soils : an introduction},
	publisher = {Prentice Hall College Div,},
	year = {1998.},
	address = {[S.l.] :},
	edition = {4th ed.},
	url = {http://10.10.170.122:8080/browse/book/28736}
}