@conference {Gandra_Jo{\~a}o:2012,
	title = {Production of functionally graded surface composites by friction surfacing},
	series = {Mechanics of Nano, Micro and Macro Composite Structures},
	year = {2012},
	note = {n/a},
	month = {Jan},
	pages = {1-2},
	type = {Peer reviewed},
	abstract = {n/a},
	author = {Gandra Jo{\~a}o and Miranda Rosa M. and Vila{\c c}a Pedro and Velhinho Alexandre}
}
