Frumar, M., Frumarová, B., Wágner, T., Němec, P. Photo-induced phenomena in amorphous and glassy chalcogenides. In: KOLOBOV, A.V., ed. Photo-Induced Metastability in Amorphous Semiconductors. Weinheim: WILEY VCH GmbH&Co.KGaA, 2003, s. 23-44. ISBN 3-527-40370-1.