KARÁSEK, Miroslav - INKERT, R., ed., KUCHAR, Anton., ed., MIKAC, B., ed. Cross gain saturation in erbium amplifiers. Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing, 2003. ISBN 953-184-064-4. Advanced infrastructure for photonic networks: extended final report of COST Action 266. s. 58-70. Dostupné z: http://www.ure.cas.cz/dpt240/cost266/index.html