1. The refractive index of air;Edlen;Metrologia,1966
2. An unmodulated bi-directional fringe-counting interferometer for measuring displacement;Downs;Precision Engineering,1979
3. A 200 foot yard stick with graduations every micro-inch;Dukes;Hewlett Packard Journal,1970
4. Quelques études particulières au dilatomètre fizeau;Perard;Trav. Bur. Int. Pds. Mes.,1934
5. Short communication;Kosters;Physik. Z.,1934