"Scanners." . . "Display devices." . . "Product development." . . . . . . . . . . . . . . . . . . . . . . "DC-8 scanning lidar characterization of aircraft contrails and cirrus clouds final report"@en . . . . . . "Cirrus clouds." . . . . "Optical radar." . . "Graphic arts." . . "Real time operation." . .