Li Yang, "Ink dynamics and ink transfer under printing nip", Proc. Paper Phys. Conf. (2012).
L. G. Coppel, Whiteness and fluorescence in paper – Perception and optical modelling, Licentiate Thesis nr. 47, Mid Sweden University, Sweden.
L. G. Coppel, M. Andersson, P. Edström, and J. Kinnunen, "Limitations of the efficiency of fluorescent whitening agents in uncoated paper", Nordic Pulp and Paper Research Journal, 26(3), 319-328 (2011).
L. G. Coppel, M. Andersson, and P. Edström, "Determination of quantum efficiency in fluorescing turbid media," Applied Optics, 50(17), 2784-2792 (2011).
L. Yang and Roger D. Hersch, "Extending the Kubelka-Munk model to a non-diffuse light distribution", J. Imaging Science and Technology, vol. 52, pp. 030201-7 (2008).
Li Yang, Probabilistic spectral model of Colour halftone incorporating substrate fluorescence and interface reflections, J. Optical Society of America A, vol. 27, 2115-2122 (2010).
Coppel L.G., Neuman M., Edström P., " Lateral light scattering in paper – MTF simulation and measurement," Optics Express 19(25),p. 25181-25187 (2011).