Rudachenko V. A. Vadim Aleksandrovich, Filushin V, & Korotchenko T. V. Tatiana Valerievna. (2015). The dependence of cylindrical resonator natural frequencies on the fluid density; IOP Conference Series: Earth and Environmental Science; Vol. 27 : Problems of Geology and Subsurface Development. 2015. https://doi.org/10.1088/1755-1315/27/1/012059

Rudachenko V. A. Vadim Aleksandrovich, Filushin V, and Korotchenko T. V. Tatiana Valerievna. The Dependence of Cylindrical Resonator Natural Frequencies on the Fluid Density; IOP Conference Series: Earth and Environmental Science; Vol. 27 : Problems of Geology and Subsurface Development. 2015, 2015. https://doi.org/10.1088/1755-1315/27/1/012059.

Rudachenko V. A. Vadim Aleksandrovich, et al. The Dependence of Cylindrical Resonator Natural Frequencies on the Fluid Density; IOP Conference Series: Earth and Environmental Science; Vol. 27 : Problems of Geology and Subsurface Development. 2015, 2015. https://doi.org/10.1088/1755-1315/27/1/012059.