- Effect of accelerated weathering on the mechanical properties of wood-plastic compositesKallakas, Heikko; Poltimäe, Triinu; Süld, Tiia-Maaja; Kers, JaanBaltic Polymer Symposium 2014 : programme and abstracts : Laulasmaa, Estonia, September 24-26, 20142014 / p. 75