Traffic signal inventory system /
prepared for the Iowa Department of Transportation by Johnson, Brickell, Mulcahy and Associates.
APA Citation
Johnson, B., Iowa. Department of Transportation. (1982). Traffic signal inventory system. [Ames, Iowa]: The Department.
MLA Citation
Johnson, Brickell, Mulcahy and Associates, and Iowa. Department of Transportation. Traffic Signal Inventory System. [Ames, Iowa]: The Department, 1982.
Warning: These citations may not always be complete (especially for serials).