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- [3] AN AUTOMATIC POLE FIGURE RECORDER JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1970, 3 (07): : 541 - &
- [6] AUTOMATIC RAY PLOTTER JOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY, 1948, 25 (11): : 384 - 384
- [9] AIRCRAFT AUTOMATIC POSITION PLOTTER PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1946, 34 (02): : W88 - W88