Report to Council on Materials Science, U.S. Department of Energy, in Mater. Sci. Eng., 50, 149 (1981).

P.C.Hohenberg, “Trends and opportunities in materials research,” Report to Materials Research Advisory Committee, NSF Pub. 84–17 (National Science Foundation, Washington, D.C., 1984).

National Research Council, Solid State Sciences Committee, Synthesis and Characterization of Advanced Materials (National Academy Press, Washington, D.C., 1984).

National Research Council, Physics Survey Committee, Physics Through the 1990s, especially the following two volumes in the series: Condensed-Matter Physics, and Scientific Interfaces and Technological Applications (National Academy Press, Washington, D.C., 1986); see also National Research Council, Solid State Sciences Committee, Report on Artificially Structured Materials (National Academy Press, Washington, D.C., 1985).

R.M.White, “Opportunities in magnetic materials,” Science 229, 11 (1985).

J.D.Corbett, “New materials from high-temperature synthesis,” Pure Appl. Chem. 56, 1527 (1984).

F.Kadyk, R.Heisman, and F.Jellinek, Rec. Trav. Chem. 83, 768 (1964).

J.A.Wilson, F.J.Di Salvo, and S.Mahajan, Phys. Rev. Lett. 32, 882 (1974).

P.M.Williams, G.S.Parry, and C.B.Scruby, Philos. Mag. 29, 695 (1974).

A.Merschaut and J.Rouxel, J.Less-Common Met. 39, 197 (1975).

P.Monceau, N.P.Ong, A.M.Portis, M.Merschaut, and J.Rouxel, Phys. Rev. Lett. 37, 602 (1976).

T.Ito, H.Shirakowa, and S.Ikeda, J.Polym. Sci. 12, 11 (1974).

H.Shirakowa, E.J.Louis, A.G.MacDiarmid, C-K.Chaing, and A.J.Heeger, J.Chem. Soc., Chem. Commun. 578 (1977).

L.R.Melby, R.J.Harder, W.R.Hertler, W.Mahler, R.E.Benson, and W.E.Mochel, J. Am. Chem. Soc. 84, 3374 (1963).

F.Wudl, G.M.Smith, and E.J.Hirfnagel, Chem. Commun. 1453 (1970); D.L.Coffen, Tetrahedron Lett. 2633 (1970).

J.Ferraris, D.O.Cowan, V.Walatha, Jr., and J.H.Perlstein, J.Am. Chem. Soc. 95, 948 (1973).

R.Chevrel, M.Sergent, and J.Prigent, J. Solid State Chem. 3, 515 (1971).

B.T.Matthias, M.Marezio, E.Corenzwit, A.S.Cooper, and H.E.Barz, Science 175, 1465 (1972); S.Foner, E.J.McNiff, and E.J.Alexander, Phys. Lett. 49A, 269 (1974).

Yu. B.Kuz’ma and N.S.Bilonizhko, Sov. Phys. Crystallogr. 16, 897 (1972).

B.T.Matthias, E.Corenzwit, J.M.Vandenberg, and H.E.Barz, Proc. Natl. Acad. Sci. 74, 1334 (1977); H.Hamaker, L.D.Woolf, H.B.MacKay, Z.Fisk, and M.B. Maple, Solid State Commun. 32, 289 (1979).

M.Von Stackelberg and F.Neumann, Z. Phys. Chem. B19, 314 (1932).

G.Allard, Bull. Soc. Chim. France 51, 1213 (1932).

A.Iandelli, in Rare Earth Research, edited by E.V.Kleber (Macmillan, New York, 1961), pp. 135–141.

E.E.Vainshtein, S.M.Blokhin, and Yu. B.Paderno, Sov. Phys. Solid State 6, 2318 (1965).

A.Jayaraman, V.Marayanamurti, E.Bucher, and R.G.Maines, Phys. Rev. Lett. 25, 368, 1430 (1970).

N.C.Bänziger and R.E.Rundle, Acta Crystallogr. 2, 258 (1949).

F.Sleglich, J.Aarb, C.D.Bredl, W.Lieke, D.Meschede, W.Franz, and H.Schäfer, Phys. Rev. Lett. 43, 1892 (1979).

H.R.Ott, H.Rudugier, Z.Fisk, and F.L.Smith, Phys. Rev. Lett. 50, 1595 (1983).

J.A.Gaj, R.R.Galazka, and M.Nawrocki, Solid State Commun. 15, 193 (1978).

B.T.Matthias, R.M.Bozorth, and J.H.Van Vleck, Phys. Rev. Lett. 7, 160 (1961).