Otero, RobertoLukas M.Kelly R.E.A.Xu W.Lægsgaard E.Stensgaard I.Kantorovich L.N.Besenbacher F.2020-12-042020-12-042008http://hdl.handle.net/20.500.12614/348enAtribución-NoComercial-SinDerivadas 3.0 EspañaElementary structural motifs in a random network of cytosine adsorbed on a gold(111) surfaceresearch article10.1126/science.1150532open access