| 1. Vyskumny ustav dopravny, a.s.
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| Transport Research Institute covers study and certification of transport policies, economy and technologies. Provides complete list of activities, annual reports and contact details. |
| http://www.vud.sk |
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| 2. zilina.sk
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| Official website of city of Zilina. Regional information on economy, transportation, education, culture, tourism and sport. |
| http://www.zilina.sk/en |
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