Czekaj D, Lisińska-Czekaj A, Orkisz T, Osińska K, Kozielski L. Sol-gel derived (Ba,Sr)TiO$_3$ thin films for tunable devices. Arch. Acoust. 2014;31(4(S):385-390. Accessed April 26, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1371