Bartaševičius, Algimantas, Petras Ilgakojis, and Stanislovas Merkevičius. “Mathematical Modeling of the Self Vibration Frequencies of Mechanical Frames of Controls Rigs”. Lietuvos matematikos rinkinys 44, no. spec. (December 17, 2004): 23–34. Accessed November 21, 2024. https://journals.vu.lt./LMR/article/view/31742.