ELVIK, Rune. The handbook of road safety measures. 2nd ed. Bingley, UK: Emerald, ©2009. ISBN 9781848552517. Dostupné také z: https://proxy.k.utb.cz/login?url=https://app.knovel.com/hotlink/toc/id:kpHRSME00B/handbook-of-road?kpromoter=marc.

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