The legibility of highway guide signs with special reference to cardinal direction indications. Final report.
| Data(s) |
29/12/1981
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|---|---|
| Resumo |
Mode of access: Internet. Author corporate affiliation: Federal Highway Administration, Washington, D.C. Subject code: HBC Subject code: PMKL Subject code: WSV |
| Identificador | |
| Idioma(s) |
eng |
| Direitos |
Items in this record are available as Public Domain, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements. |
| Palavras-Chave | #Vision. #Medical examinations and tests. #Legibility. #Guide signs. #Vision Tests. #Guide Signs/ Delineation Signs. |
| Tipo |
text |
