Yazar
Todd Helwig
19 cilt bulundu.
Todd Helwig, Texas. Department of Transportation, United States. Federal Highway Administration, University of Houston · Yayınevi bilinmiyor
238 sayfa · 2000
Box beams
Hossein Yousefpour, Todd Aaron Helwig, Oguzhan Bayrak, Texas. Department of Transportation, United States. Federal Highway Administration, University of Texas at Austin. Center for Transportation Research · Yayınevi bilinmiyor
167 sayfa · 2014
Arch bridges
Todd K. Helwig, Richard Keshian, Donna M. Truex, Massachusetts Continuing Legal Education, Inc. (1982- ) · Yayınevi bilinmiyor
260 sayfa · 2005
Commercial real estate
Todd Helwig, Ozgur Egilmez, Charles Jetann, United States. Federal Highway Administration, Texas. Department of Transportation, University of Houston · Yayınevi bilinmiyor
150 sayfa · 2005
Girders
