[1] UNIV CLAUDE BERNARD LYON 1, INST RECH CATALYSE, CNRS LAB, 2 AVE ALBERT EINSTEIN, F-69626 VILLEURBANNE, FRANCE
[2] HOKKAIDO UNIV, CATALYSIS RES INST, KITA KU, SAPPORO, HOKKAIDO 060, JAPAN
[3] UNIV TOKYO, INST SOLID STATE PHYS, MINATO KU, TOKYO 106, JAPAN