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- [3] A DIRECT-READING MICRODENSITOMETER JOURNAL OF SCIENTIFIC INSTRUMENTS, 1953, 30 (08): : 268 - 270
- [7] DIRECT-READING WAVEMETERS PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1947, 35 (02): : 179 - 179
- [8] A SIMPLE DIRECT-READING FLUXMETER JOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY, 1949, 26 (02): : 40 - 42
- [9] A DIRECT-READING PHOTOELECTRIC DENSITOMETER JOURNAL OF THE SOCIETY OF MOTION PICTURE ENGINEERS, 1939, 33 (04): : 403 - 409