Guardrail encroachment monitor, GEM /

Bibliographic Details
Corporate Authors:	United States. Federal Highway Administration. Structures and Applied Mechanics Division, Southwest Research Institute
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : The Division ; 1981.
Subjects:	Roads > United States > Guard fences. Detectors.

Evans: US Documents (Annex 5th floor)