STÖRRLE, Harald. The LED Diagram Layout Challenge. Electronic Communications of the EASST, [S. l.], v. 7, 2007. DOI: 10.14279/tuj.eceasst.7.97. Disponível em: https://www.eceasst.org/index.php/eceasst/article/view/1435. Acesso em: 2 sep. 2025.