http://www.ittbuildingtrades.com/casestories/cas
e_38%20copy.PDF
http://bridgepros.com/projects/Oresund%20Bridg
e/
http://www.pbs.org/wgbh/nova/bridge/build.html
http://www.answers.com/main/ntquery;jsessi
onid=40rvlksb4c0gs?method=4&dsid=2222&
dekey=Oresund+Bridge&gwp=8&curtab=222
2_1&sbid=lc03a