@book{245580,
	author = {Nettesheim, F.C.},
	title = {Contribution of topography an incident solar raditiation to variation of soil and plant litter at an area with heterogeneous terrain

},
	url = {http://www.scielo.br/pdf/rbcs/v39n3/0100-0683-rbcs-39-3-0750.pdf}
}