A method for determining the economic value of air traffic control improvements and application to all-weather landing systems /
United Research Incorporated ; prepared for: Operations Analysis Directorate, Bureau of Research and Development, Federal Aviation Agency.

APA Citation

United States. Federal Aviation Agency. Bureau of Research and Development., United Research, i. (1959). A method for determining the economic value of air traffic control improvements and application to all-weather landing systems. Cambridge, Mass.: United Research.

MLA Citation

United States. Federal Aviation Agency. Bureau of Research and Development, and inc United Research. A Method for Determining the Economic Value of Air Traffic Control Improvements And Application to All-weather Landing Systems. Cambridge, Mass.: United Research, 1959.