Bibliography   Pictures Cladding Jeffrey K. Herzer Skyscraper.org SkyscraperPicture.com TrumpWorldTower.com   Pictures and/or information Breukelman, Brian. "Damping Systems." Breukelman, Brian. "Good Vibrations." Breukelman, Brian. "Tuned Mass Dampers-How They Work." CSA Engineering, Inc.. "Tuned Mass Dampers forVibration Control." Rowan Williams Davies & Irwin, Inc.. RWDI