US6228520-B1  Berard, J. Solid State Chem., 1991, 90 (1), 126-46 (CA 114:92581p).;  Chemical Abstract, 88:20657630 (1988) No month available.;  Chemical Abstract, 90: 12977017 (1990) No month available.;  Chemical Abstract, 91: 059953 (1991) No month available.;  Chemical Abstract, 91: 081959 (1991) No month available.;  Chemical Abstract, 93: 029003 (1993) No month available.;  Chemical Abstract, 93: 054896 (1993) No month available.;  Chemical Abstract, 93: 325981 (1993) No month available.;  Chemical Abstract, 94: 07164109 (1994) No month available.;  Chemical Abstract, 94: 07944310 (1994) No month available.;  Chemical Abstract, 94:16119220 (1994) No month available.;  Derwent 89-14195119-Abstract of JP 01-087,545 , 1989.;  Derwent 90-30245240-Abstract of JP 02-215,005 1990.;  Derwent 90-30245340-Abstract of JP 02-215,005 1990.;  Derwent 90-33856245-Abstract of JP 02-243,768 1990.;  Derwent 90-33856345-Abstract of JP 02-243,769 1990.;  Derwent 92-18061922-Abstract of JP 04-118-866 1992.;  Hayami et al., Osaka Kogyo Gijutsu Shikenso Kiho 1977, 28(2), 98-106 (CA 87:174788z).;  Hayashi et al., "Sintering of Lanthanum Chromite Doped with Zinc or Copper", Journal of Materials Science Letters, 7, 1988, pp. 457-448, No month available.;  Ishihara et al., "Doped Perovskite Oxide, PrMnO3, as a New Cathode for Solid-Oxide Fuel Cells that Decreases the Operating Temperature", J. Am. Ceram. Soc., vol. 77, No. 6, Jun. 1994, pp. 1682-1684.;  Jakobs, et al., Rev. Chim. Miner., 1980, 17(4), 283-98 (CA 94:54839q).;  Kamata et al., "Oxygen Reduction Behaviour at the Co-Fired La0.8Sr0.2MnO3YSZ Interface, as an SOFC Air Electrode", Proceedings of the 1st European Solid Oxide Fuel Cell Forum, Oct. 3-7, 1994, Lucerne-Switzerland, pp. 725-733.;  Kawada et al., "Fabrication of a Planar Solid Oxide Fuel Cell by Tape-Casting and Co-Firing Method", Journal of the Ceramic Society of Japan, 100[6], 1992, pp. 847-850 No month available.;  Meadowcraft et al., "Oxidation and Vaporization Processes in Lanthanum Chromite", Ceramic Bulletin, vol. 58, No. 6, 1979, pp. 610-615 No month available.;  Minh, "Ceramic Fuel Cells", J. Am. Ceram. Soc., 76[3], 1993, No month available pp. 563-589.;  Minh, "Ceramic Fuel Cells", J. Am. Ceram. Soc., 76[3], pp. 563-589, Oct. 1993.*;  Ohno et al., Koen Yoshishu-Kotai Ionikusu Toronkai, 7th, 1979, 49-50 (CA 92:132003n).;  Sakai et al., "Sinterability and Electrical Conductivy of Calcium-doped Lanthanum Chromites", Journal of Materials Science, 25, 1990, pp. 4531-4534 No month available.;  Tai et al., "Tape Casting and Sintering of Strontium-Doped Lanthanum Chromite for a Planar Solid Oxide FuelCell Bipolar Plate", J. Am. Ceram. Soc., 74[1], 1991, pp. 155-160 No month available.;  Takeda, et al., "Cathodic Polarization Phenomena of Perovskite Oxide Electrodes with Stabilized Zirconia", J. Electrochem. Soc.: Electrochemical Science and Technology, Sep. 1987, pp. 2656-2661.;  Tedmon, Jr., et al., "Cathode Materials and Performance in High-Temperature Zirconia Electrolyte Fuel Cells", J. Electrochem. Soc.: Electrochecmical Science, Sep. 1969, pp. 1170-1175.;  Uchida et al., "New Preparation Method for Polymer-Electrolyte Fuel Cells", J. Electrochem. Soc., vol. 142, No. 2, Feb. 1995, pp. 463-468.;  Yamamoto et al., "Perovskite-Type Oxides as Oxygen Electrodes for High Termperature Oxide Fuel Cells", Solid State Ionics 22, Elsevier Science Publishers B.V., North-Holland, Amsterdam No month available, (1987), pp. 241-246.;  Yokokawa et al., "Thermodynamic Stabilities of Perovskite Oxides for Electrodes and Other Electrochemical Materials", Solid State Ionics, 52, 1992,. pp. 43-56 No month available.