S. Fortino, M. Sippola, T. Andersson, K. Immonen, A. Miettinen, ja P. Hradil, ”X-ray micro-tomography based FEM modelling of hygroexpansion in PLA composites reinforced with birch pulp fibers”, RakMek, vsk. 50, nro 3, ss. 131–136, elo 2017.