1. Aklonis, J.W.; McKnigth, L.; Shen, M. 1972: Introduction to polymer visco-elasticity. Wiley Interscience, New York
2. Armstrong, L.D. 1972: Deformation of wood in compression during moisture movement. Wood Science 5(2):81–86
3. Bello, E.D. 1976: The effects of temperature and moisture content on the elastic and residual deformations in the langenital direction of northern red oak (Quercus Rubra L.) and aspen (Populus Tremuloides Michx.). The Pterocarpus 2(1):76–85
4. Bodig, Jr, Jayne, B.A. 1982: Mechanics of wood and wood composites. Van Nostrand Reinhold, New York, 712 pp
5. Boyd, J.D. 1982: An anatomical explanation for visco-elastic and mechano-sorptive creep in wood, and the effects of loading rate on strength. New perspectives in wood anatomy. Martinus Nujhoff/Dr. W. Junk Publishers, pp 171–222