Kraay, J. H., & Dijkstra, A. (1989). Safety aspects of urban infrastructure: From traffic humps to integrated urban planning. Institute for Road Safety Research SWOV, The Netherlands.
Citace podle Chicago (17th ed.)Kraay, J. H., a A. Dijkstra. Safety Aspects of Urban Infrastructure: From Traffic Humps to Integrated Urban Planning. Leidschendam: Institute for Road Safety Research SWOV, The Netherlands, 1989.
Citace podle MLA (9th ed.)Kraay, J. H., a A. Dijkstra. Safety Aspects of Urban Infrastructure: From Traffic Humps to Integrated Urban Planning. Institute for Road Safety Research SWOV, The Netherlands, 1989.
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