NITSCH, Karel, RODOVÁ, Miroslava. Crystallization study of Na-Gd phosphate glass using non-isothermal DTA. Journal of Thermal Analysis and Calorimetry. 2008, 91(1), 137-140. ISSN 1388-6150. E-ISSN 1588-2926. Dostupné z: https://doi.org/10.1007/s10973-007-8375-2