Decomposition method for solving optimal material orientation problemsMajak, Jüri; Pohlak, Meelis15th International Conference on Composite Structures : Portugal, Porto2009 / ? p Extremes of apparent and tap densities of recovered GFRP filler materialsKers, Jaan; Majak, Jüri; Gregor, Andre; Malmstein, M.; Vilsaar, Kristiina15th International Conference on Composite Structures : Portugal, Porto2009 / ? p https://www.sciencedirect.com/science/article/pii/S0263822309004085