https://gistexel.com/wp-content/uploads/2014/08/logo_exel.gif00exelhttps://gistexel.com/wp-content/uploads/2014/08/logo_exel.gifexel2014-09-01 10:29:392014-09-01 10:39:25 "A study of graphene films synthesized on nickel substrates: existence and origin of small-base-area peaks", Nanotechnology, 22, 045706, Jan. 2011.