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Three-cable Guardrail Adjacent to Steep Slope

Ryan M. NelsonScott K. RosenbaughRonald K. FallerJohn Douglas ReidDean SickingJohn R. RohdeKarla A. PolivkaJason A. Hascall

出版	Midwest Roadside Safety Facility, 2003
URL	http://books.google.com.hk/books?id=2LhxuAAACAAJ&hl=&source=gbs_api