Zhu, Z., Zhu, X. and Guo, W. (2024) “Low-cost portable dielectric spectrometer based on mini-vector network analyzer and open-ended coaxial probe technology”, International Journal of Agricultural and Biological Engineering. Beijing, China, 17(3), pp. 166–172. Available at: https://www.ijabe.org/index.php/ijabe/article/view/7170 (Accessed: 2 February 2026).