Selecting digital computer signal systems.
Contributors: United States. Federal Highway Administration. Offices of Research and Development.
Publisher: U. S. Federal Highway Administration Offices of Research and Development
Published: 1972
Place of publication: [Washington]
Language: eng
Number of pages: 76
Subjects: Electronic traffic controls.
Notes: Cover title.

"FHWA-RD-72-20."

Bibliography: p. 75-76.