The State of Europium Complexes on Alumina Surface T. Yoshida, T. Tanaka, S. Yoshida, H. Handa, S. Hikita, T. Baba et Y. Ono J. Phys. IV France, 7 C2 (1997) C2-915-C2-916 DOI: 10.1051/jp4:1997279