title: Building Supramolecular Nanostructures at Surfaces by Hydrogen Bonding Fruitful discussions with A. de Vita, B. Müller, and H. Brune are acknowleged.
authors.affiliation: Institut de Physique Expérimentale Ecole Polytechnique Fédérale de Lausanne PHB-Ecublens, 1015 Lausanne (Switzerland).
authors.initials: JV
authors.lastname: Barth
authors.initials: J
authors.lastname: Weckesser
authors.initials: C
authors.lastname: Cai
authors.initials: P
authors.lastname: Günter
authors.initials: L
authors.lastname: Bürgi
authors.initials: O
authors.lastname: Jeandupeux
authors.initials: K
authors.lastname: Kern