DISCUSSION. DIRECTIONAL TRAFFIC SURVEYS. ROAD ENGINEERING DIVISION
Autor: | R S Gallaher, D A C Bellamy, E B Hugh Jones, C K Tallack, K P Brow, John Duff, Jim Manning, H G Brind, Nina Barnett, F H Clark, A P Porri, R L Rolph, R R W Grigson |
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Rok vydání: | 1950 |
Předmět: | |
Zdroj: | The Institution of Civil Engineers Engineering Division Papers. 8:52-70 |
ISSN: | 0534-2775 |
Databáze: | OpenAIRE |
Externí odkaz: |