Czekaj, D., A. Lisińska-Czekaj, T. Orkisz, K. Osińska, and L. Kozielski. “Sol-Gel Derived (Ba,Sr)TiO$_3$ Thin Films for Tunable Devices”. Archives of Acoustics 31, no. 4(S) (January 31, 2006): 385–390. Accessed April 18, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/1371.