title: Space filling versus symmetry: two consecutive crystal-to-crystal phase transitions in a 2D network.
authors.affiliation: Institut für Anorganische Chemie, RWTH Aachen, Landoltweg 1, 52074 Aachen, Germany.
authors.forename: Chunhua
authors.initials: C
authors.lastname: Hu
authors.forename: Ulli
authors.initials: U
authors.lastname: Englert