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- [2] Methods for the photo-electric and photo-chemical measurement of daylight BIOLOGICAL REVIEWS AND BIOLOGICAL PROCEEDINGS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, 1930, 5 (02): : 91 - 113
- [3] An automatic photo-electric photometer PROCEEDINGS OF THE PHYSICAL SOCIETY, 1934, 46 : 205 - 213
- [6] Detection of the Gegenschein with a photo-electric photometer ASTROPHYSICAL JOURNAL, 1932, 75 (05): : 424 - 426
- [7] The photo-electric photometer of the Yerks Observatory ASTROPHYSICAL JOURNAL, 1931, 74 (05): : 289 - 297
- [9] Photo-electric illumination measurement ZEITSCHRIFT DES VEREINES DEUTSCHER INGENIEURE, 1933, 77 : 1220 - 1220