KALIS, H.; KANGRO, I. SIMPLE METHODS OF ENGINEERING CALCULATION FOR SOLVING STATIONARY 2 –D HEAT TRANSFER PROBLEMS IN MULTILAYER MEDIA. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 359–366, 2006. DOI: 10.17770/etr2003vol1.1991. Disponível em: https://journals23.rta.lv/index.php/ETR/article/view/1991.. Acesso em: 8 apr. 2025.