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- [5] A PHOTOELECTRIC EXPOSURE METER FOR PHOTOMICROGRAPHY JOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY, 1948, 25 (09): : 300 - 301
- [9] PHOTOELECTRIC EXPOSURE METER FOR INDUSTRIAL RADIOGRAPHY JOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY, 1949, 26 (12): : 404 - 407
- [10] New Photoelectric Brightness Spot Meter JOURNAL OF THE SOCIETY OF MOTION PICTURE & TELEVISION ENGINEERS, 1953, 61 (03): : 215 - 222