Manual on Uniform Traffic Control Devices for Streets and Highways - 2009 Edition with 2012 Revisions Autor U. S. Department of Transportation et al. 31 oct 2013 Paperback Preț: 565.68 lei 6-8 săpt.
Timber Bridges: Design, Construction, Inspection, and Maintenance Autor Michael Ritter et al. 30 noi 1990 Paperback Preț: 570.77 lei 6-8 săpt.