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APA Citation
Shu, M., Wu, W., Liang, R., Shang, X., Guo, C., & Zhang, A. (2022). a 3D printed bullet‐shaped filter based on zero‐gap circular waveguide cavities. International journal of RF and microwave computer-aided engineering, 32(12), n/a. http://access.bl.uk/ark:/81055/vdc_100170363974.0x00003b