@book{657621,
	author = {Ferreira, Geane D.G. and Santos, Mercia V.F.},
	title = {Quantitative and qualitative characteristics of elephant grass (Pennisetum purpureum Schum) clones in the semi-arid lands of Pernambuco (Brazil)},
	url = {http://rccp.udea.edu.co/index.php/ojs/issue/view/55/showToc}
}