S. Kärkkäinen, A. Miettinen, T. Turpeinen, J. Nyblom, P. Pötschke, and J. Timonen, “A STOCHASTIC SHAPE AND ORIENTATION MODEL FOR FIBRES WITH AN APPLICATION TO CARBON NANOTUBES”, Image Anal Stereol, vol. 31, no. 1, pp. 17–26, Mar. 2012.