References
- Dunn, J. F. Exposure Manual p. 196,
- Goodwin, W. N. Jr. J. Soc. Motion Picture Engineers. 20 No. 2 (1933).
- Dunn, J. F. Exposure Manual, p. 170.
- Jones, Lloyd and Condit, H. R. Computation of correct exposure. J. Opt. Soc. Amer. 31, 11 (1941).
- Nelson, C. N. Phot. Sci. Eng., 4, 48 (1960).
- Norwood, Don. J. Soc. Motion Picture & Tele Engineers 54, No. 5 (1950).
- Connelly, D. Phot. J., (Sept. 1961).
- Dunn, J. F. Exposure Manual, p.172.