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Some Psychophysical Tests of the Conspicuities of Emergency Vehicle Warning Lights
Language: en
Pages: 32
Authors: Gerald L. Howett
Categories: Emergency vehicles
Type: BOOK - Published: 1979 - Publisher:

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Some Psychophysical Tests of the Conspicuities of Emergency Vehicle Warning Lights
Language: en
Pages: 32
Authors: Gerald Leonard Howett
Categories: Emergency vehicles
Type: BOOK - Published: 1979 - Publisher:

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NBS Special Publication
Language: en
Pages: 686
Authors:
Categories: Weights and measures
Type: BOOK - Published: 1979 - Publisher:

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The Development and Testing of a Highly Directional Dual-mode Electronic Siren
Language: en
Pages: 572
Authors:
Categories: Sirens (Signaling devices)
Type: BOOK - Published: 1978 - Publisher:

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User Evaluation of
Language: en
Pages: 108