http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Roundabouts as safe and modern solutions in transport networks and systems
15th Scientific and Technical Conference “Transport Systems. Theory and Practice 2018”, Katowice, Poland, September 17-19, 2018, Selected Papers
Elżbieta Macioszek, Rahmi Akçelik, Grzegorz Sierpiński editors