1. G. G. Johnson, Jr., and V. Vand, Twenty-fourth Pittsburgh Diffraction Conference, Paper No. B-1, 1966.
2. G. G. Johnson, Jr., and V. Vand, “A Computerized Powder Diffraction Identification System,” Ind. Eng. Chem. 59: 18, 1967.
3. G. G. Johnson, Jr., and V. Vand, “Fortran IV Programs for the Identification of Multiphase Unknown Powder Diffraction Patterns Using the Joint Committee Powder Diffraction File,” ASTM (35 pp.), 1967.
4. The American Society for Testing and Materials, The American Crystallographic Association, The (British) Institute of Physics, and the National Association of Corrosion Engineers.
5. L. K. Frevel, “Computation Aids for Identifying Crystalline Phases by Powder Diffraction,” Anal. Chem. 37:471, 1965.