1 Subjects: “...Survival after airplane accidents, shipwrecks, etc...”

2 Subjects: “...small airplane avionics...”

3 “... detection models were applied to automatically detect airplanes and ships in VHR satellite images, a coarse...”

4 “... advisors" [Kouts, 1983: 3)). For a brief period it was thought that airplanes would fly using atomic power...”