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Size of letters required for visibility as a function of viewing distance and observer visual acuity
- Publication Year :
- 1983
- Subjects :
- Lettering.
Visual acuity.
Subjects
Details
- Language :
- English
- Database :
- Government Publishing Office Catalog
- Journal :
- Size of letters required for visibility as a function of viewing distance and observer visual acuity / Gerald L. Howett.
- Publication Type :
- Book
- Accession number :
- edsgpr.001078398
- Document Type :
- Monograph