1. Armstrong, L. D.; Kingston, R. S. T. 1960: Effect of moisture changes on creep in wood. Nature 185 (4716): 862?863
2. Bolza, E.; Kloot, N. H. 1963: The mechanical properties of 174 Australian timbers. CSIRO. Div. For. Prod. Aust. Technol. Pap. No. 25
3. Flügge, W. 1967: Viscoelasticity. Waltham (Mass): Blaisdell
4. Gerhards, C. C. 1977: Effect of duration and rate of loading on strength of wood and woodbased materials. USDA. Forest Service Research Paper FPL 283
5. Ivanov, Yu. M. 1938: After-effect strain and ?limit of plastic flow? of wood. C. R. (Dokl.) Acad. Sci. URSS 19(6?7): 549?552