Air Traffic Controller Acceptability of Unmanned Aircraft System Detect-And-Avoid Thresholds NASA/TM-2015-219392United States. National Aeronautics and Space Administration., Eric Mueller, Douglas Isaacson, Derek Stevens · First published 2017Open the Tome
A Primer of Psychological PsychologyIsaacson, R Douglas, R Lubar, J Schmaltz, L · First published 1971Open the Tome
