Yutaka Hata, Yuya Takashima, Koki Tsukuda, Sho Kikuchi, Tomomoto Ishikawa. Ultrasonic-Frequency-Based Visualization of Columnar Soft Matter Beyond Wavelength Limitations. IEEE Transactions on Systems, Man, and Cybernetics, Part A, 48(2):224-231, 2018. [doi]
Abstract is missing.