1. Applications of the quartz lighting lamp.;Allen;Ilium. Eng,1959
2. Measurements on standards of radiation in absolute value.;Coblentz;Bull. Bur. Std.,1915
3. Spectral intensity of ac operated tungsten lamps.;Condell;J. Opt. Soc. Am.,1957
4. Current developments in pyrheliometrie techniques.;Drummond;Solar Energy,1961
5. Drummond, A. J. (1970). This volume, Chapter 1.