title: Comment on "Chemical versus van der Waals interaction: the role of the heteroatom in the flat absorption of aromatic molecules C6H6, C5NH5, and C4N2H4 on the Cu(110) surface".
authors.forename: W
authors.initials: W
authors.lastname: Ji
authors.forename: L A
authors.initials: LA
authors.lastname: Zotti
authors.forename: H-J
authors.initials: HJ
authors.lastname: Gao
authors.forename: W A
authors.initials: WA
authors.lastname: Hofer