1. 58Lun: Lundin, C.E. and Klodt, D.T., APEX Report 424 (August 1958);
2. XDC Report 59-8-187 (November 1958), XDC Report 59-8-188 (February 1959), Denver Research Institute, University of Denver, Denver, CO.
3. 62Gsc: Gschneidner, K.A., Jr., Elliott, R.O., and Prince, M.Y., inRare Earth Research, Nachman, J.F. and Lundin, C.E., Ed., Gordon and Breach Science Publishers, New York, 71 (1962).
4. 62Spe: Spedding, F.H., Valletta, R.M., and Daane, A.H.,ASM Trans. Quarterly, 55, 483 (1962).
5. 63Nac: Nachman, J.F., Lundin, C.E., and Rauscher, G.P., Jr., DRI-2080, Denver Research Institute, University of Denver, Denver, CO (1963).