Gerald Leonard Howett

Some Psychophysical Tests of the Conspicuities of Emergency Vehicle Warning Lights

• Author(s): Gerald Leonard Howett, Law Enforcement Standards Laboratory

• Categories: Emergency vehicles

• Type: Book
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• Published: 1979
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• Publisher: Unknown

None

Emergency Vehicle Warning Systems

• Author(s): Arthur I. Rubin, Gerald Leonard Howett, Law Enforcement Standards Laboratory

• Categories: Emergency vehicles

• Type: Book
• -
• Published: 1981
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• Publisher: Unknown

None

Science News Letter

• Categories: Electronic journals

• Type: Book
• -
• Published: 1948
• -
• Publisher: Unknown

None

National Union Catalog

• Categories: Catalogs, Union

• Type: Book
• -
• Published: 1982
• -
• Publisher: Unknown

Includes entries for maps and atlases.

Monthly Catalogue, United States Public Documents

• Categories: Government publications

• Type: Book
• -
• Published: 1984
• -
• Publisher: Unknown

None