1. Castaing, R., and Guinier, A., Proc. 1st Intern. Conf. on Electron Microscopy, Delft 1949 pp. 60–63(1950). Castaing, R., and Guinier, A., Congr. intern, de Microscopie Electronique Paris, 1950 p. 391(1952).
2. Castaing, R., Thesis, University of Paris (1951), publ. O.N.E.R.A. No. 55.
3. Point-by-Point Chemical Analysis by X-Ray Spectroscopy