Using alternative timber in parallel flanges truss structures for steel roof - slope 20º, with spans between 16 to 26 meters - Muller, Hyago Maurício Bremm; Pinheiro, Roberto Vasconcelos; Silva, Jennifer Mayara Villas Boas da; Almeida, João Paulo Boff; Couto, Natalia Garcia; Christoforo, André Luis; Lahr, Francisco Antonio Rocco (International Journal of Materials Engineering, 2018)