Orientation and structure of thin films of α, ω- dihexyl sexithiophene deposited onto PTFE oriented by friction P. Lang, C. Nogues, S. Verneyre, F. Demanze, P. Srivastava, F. Garnier, J. C. Wittmann, B. Lotz and C. Straupé J. Chim. Phys., 95 6 (1998) 1286-1290 DOI: 10.1051/jcp:1998267