1. F.F. Bentley, E.F. Wolfarth, N.E. Srp, and W.R. Powell, Spectrochim. Acta
13, 1, 1958.
2. F.F. Bentley and E.F. Wolfarth, Spedrochim. Acta p. 165, 1959.
3. F.A. Miller, G.L. Carlson, F.F. Bentley, and W.H. Jones, Spedrochim. Acta
16, 135, 1960.
4. Perkin-Elmer Bulletin No. 990-9239, Norwalk, Conn.
5. F.A. Miller, U.S.A.E.C. Fellowship Report No. 378-1, Mellon Institute, Pittsburgh, Pa.