Dr Anders Brandt & MSc Johan Granlund, Swedish Road Administration (2008). "Bus Drivers' Exposure To Mechanical Shocks Due To Speed Bumps"(PDF). Society for Experimental Mechanics, IMAC XXVI Conference and Exposition on Structural Dynamics. Archived from the original(PDF) on July 10, 2011. Retrieved June 2, 2010.
Klaus Schlabbach. "Traffic Calming in Europe"(PDF). Institute of Transportation Engineers. Archived from the original(PDF) on 2012-08-29. Retrieved 2014-03-14.
Klaus Schlabbach. "Traffic Calming in Europe"(PDF). Institute of Transportation Engineers. Archived from the original(PDF) on 2012-08-29. Retrieved 2014-03-14.
Dr Anders Brandt & MSc Johan Granlund, Swedish Road Administration (2008). "Bus Drivers' Exposure To Mechanical Shocks Due To Speed Bumps"(PDF). Society for Experimental Mechanics, IMAC XXVI Conference and Exposition on Structural Dynamics. Archived from the original(PDF) on July 10, 2011. Retrieved June 2, 2010.