OHLÍDAL, Miloslav, Josef VRÁNA, Aleš MICHÁLEK, Dominik PRAŽÁK, Miloš JÁKL a
Ivan OHLÍDAL. New Ways od Observing Optical Inhomogeneities in Glass. In
Proceedings of the 5th ESG Conference: Glass Science and Technology for the 21st Century. Prague, Czech Republic: The Czech Glass Society, 1999, s. 107-111. ISBN 80-238-3861-x.