@book{184457,
	author = {United Nations Industrial Development Organization.},
	title = {Fertilizer manual /},
	publisher = {Kluwer Academic Publishers :},
	year = {c1998.},
	address = {Dordrecht, The Netherlands :},
	note = {"This manual is a successor to and in part a revision of the IFDC/UNIDO Fertilizer manual published in December 1979."}
}