Media type: E-Article Title: Pseudo-Kondo Lattice State in YBa 2 Cu 3 O 7-δ Owing to Strong Anharmonicity of Oxygen Potentials Contributor: Irkhin, V. Yu; Katsnelson, M. I; Trefilov, A. V imprint: IOP Publishing, 1991 Published in: Europhysics Letters (EPL) Language: Not determined DOI: 10.1209/0295-5075/15/6/015 ISSN: 0295-5075; 1286-4854 Keywords: General Physics and Astronomy Origination: Footnote: