01526nas 2200517-a 450 99621364500331620230707213041.02160-2514(OCoLC)560819234(CKB)110978966550220(CONSER)--2011204030(EXLCZ)9911097896655022020100318a19539999 --- aengurbn||||||abpurbn||||||adatxtrdacontentcrdamediacrrdacarrierRailway track and structures RT & SChicago Simmons Boardman Pub. CorpNew York Simmons-Boardman Pub. Corp0033-9016 RT & SRailway track & structuresRAILWAY TRACK AND STRUCTURESRT AND SRailw. track struct.RailroadsPeriodicalsRailroad engineeringPeriodicalsChemins de ferPériodiquesChemins de ferPériodiquesRailroad engineeringfast(OCoLC)fst01088593Railroadsfast(OCoLC)fst01088711Periodicals.fastRailroadsRailroad engineeringChemins de ferPériodiques.Chemins de ferRailroad engineering.Railroads.625.1JOURNAL996213645003316Railway track and structures2367248UNISA