Sjökvist, Tinh, Åsa Blom, and Sheikh Ali Ahmed. 2020. “Liquid Water Absorption in Coated Norway Spruce: Impact of Heartwood, Sapwood, Density and Weather Exposure”. Maderas-Cienc Tecnol 22 (3):335-46. https://revistas.ubiobio.cl/index.php/MCT/article/view/4082.