Items where Author is "Valdna, Aivar"
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Valdna, Aivar (2016) Teetööde kirjeldus riigimaanteele 21146 TAGAVERE – TAALIKU KM 0,145-10,572. [thesis] [en] The Description of Roadwork for the National Highway 21146 Tagavere – Taaliku km 0,145–10,572.