Hockicko, P., P. Bury, F. Munoz, and L. Munoz-Senovilla. “Investigation of Acoustic and Electrical Properties of a LIPO3 Metaphosphate Glass”. Communications - Scientific Letters of the University of Zilina, Vol. 16, no. 1, Feb. 2014, pp. 45-49, http://journals.uniza.sk/index.php/communications/article/view/483.