Modification of structural and transport properties in epitaxial YBa$_2$CU$_3$O$_x$ films by pulsed laser irradiation N.G. Chechenin, A.V. Chernysh, V.V. Korneev, E.V. Monakhov et B.V. Seleznev J. Phys. III France, 3 12 (1993) 2173-2188 DOI: 10.1051/jp3:1993268