INSTRUMENTS FOR THE MEASUREMENT OF THE VISUAL RANGE

[1] Koschmieder H., 1924, BEITR PHYS FREIEN AT, P33, DOI DOI 10.1007/978-3-663-04661-5_2

[2] Koschmieder H., 1924, BEITR PHYS ATMOS, P171

[3] Waldram J. M., 1945, TRANS ILLUMINATING ENGINEER SOC, V10, P125

[4] Waldram J. M., 1945, T ILLUM ENG SOC LOND, V10, P147

[1] Koschmieder H., 1924, BEITR PHYS FREIEN AT, P33, DOI DOI 10.1007/978-3-663-04661-5_2

[2] Koschmieder H., 1924, BEITR PHYS ATMOS, P171

[3] Waldram J. M., 1945, TRANS ILLUMINATING ENGINEER SOC, V10, P125

[4] Waldram J. M., 1945, T ILLUM ENG SOC LOND, V10, P147