1. Adachi K, Inoue M, Kawai S (2004) Liquid impregnation into dry wood using a roller-pressing method. II. Effect of specimen size and processing variables on amount of water impregnation. Mokuzai Gakaishi 50:243–247
2. Alfredsen G, Flæte PO, Kolstad S (2014) Norway spruce. Natural durable timber––field test results. IRG/WP Durability Database. Stockholm: The International Research Group on Wood Protection, IRG/WP/DDB 14-00080
3. Augusta, U (2007) Untersuchung der natürlichen Dauerhaftigkeit wirtschaftlich bedeutender Holzarten bei verschiedener Beanspruchung im Außenbereich. [Natural durability of European wood species in different use classes]. (In German) Doctoral thesis, University Hamburg, Faculty of Mathematics, Informatics and Natural Sciences, Department Biology, Germany
4. Austigard, M, Jenssen K, Mattsson J (2014) Decay damages in glulam beams as compared to solid wood logs. In: Wilson P (Ed) Proceedings of the 10th meeting of the Northern European network on wood science and engineering, 13–14th October 2014, Edinburgh, UK:73–78
5. Brischke C, Melcher E (2015) Performance of wax impregnated timber out of ground contact––results from long-term field testing. Wood Sci Technol 49:189–204