Structural Study of the Nematic and Hexagonal Columnar Phases of Wire Shaped Self Assemblies of Thermotropic Mesogens Pierre-Antoine Albouy, Daniel Guillon, Benoît Heinrich, Anne-Marie Levelut et Jacques MalthêteJ. Phys. II France, 5 11 (1995) 1617-1634DOI: https://doi.org/10.1051/jp2:1995203