Vista normal Vista MARC Vista ISBD

Track-related research: volume 1. broken rail detection * c-ontrol of wheel/rail friction * wide-gap welding techniques- / David Davis...[et al.] - Washington, D.C. : TRB - [116] p. - Transit cooperative research program report ; 71 / Transpor-tation Research Board .

"A compendium of three reports on Joint Track-Related Resea-rch with the Association of American Railroads/Transportati-on Technology Center, Inc."