G. Luth, и R. Fruchter. Structures — Building on the Past: Securing the Future, Proceedings of Structures Congress 2004, May 22–26, 2004, стр. 96. Nashville, Tennessee, USA, ASCE, (2004)
R. Fruchter, и G. Luth. Structures — Building on the Past: Securing the Future, Proceedings of Structures Congress 2004, May 22–26, 2004, стр. 95. Nashville, Tennessee, USA, ASCE, (2004)