Optical and electrical anisotropy of ordered layers of rigid core semiconductor – dithienothiophene derivativeT. Marszalek, E. Dobruchowska, J. Jung, J. Ulanski, M. Melucci and G. BarbarellaEur. Phys. J. Appl. Phys., 51 3 (2010) 33208DOI: https://doi.org/10.1051/epjap/2010107