Retroreflectors for use on road signs and vehicles / by R.G. Giovanelli.
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| Format: | Book |
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Melbourne : Commonwealth Scientific and Industrial Research Organization, Australia, 1954.
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| Series: | National Standards Laboratory technical paper ; no. 5
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| Item Description: | Cover title: Retroreflectors for road signs and vehicles. |
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| Physical Description: | 16 p. : ill. ; 25 cm. |