JELÍNEK, Miroslav, KLINI, A., OSWALD, Jiří, STUDNIČKA, Václav, FOTAKIS, C., MACKOVÁ, Anna. Properties of Er-doped layers grown from Er:YAG(YAP) crystalline targets by sub-picosecond laser deposition. Laser Physics Letters. 2004, 1(5), 248-252. ISSN 1612-2011. E-ISSN 1612-202X.