@book{25131,
	author = {Bationo, Andre. and Waswa, Boaz. and SpringerLink (Online service)},
	title = {Advances in Integrated Soil Fertility Management in sub-Saharan Africa: Challenges and Opportunities},
	publisher = {Springer,},
	year = {2007.},
	address = {Dordrecht :},
	edition = {1a ed.},
	url = {http://dx.doi.org/10.1007/978-1-4020-5760-1}
}