Wang, J., Ni, J., Zhao, S., Guo, Y., & ENGINEERING, E. &. C. (2014). Compact microstrip ring branch-line coupler with harmonic suppression.

Wang, J., J. Ni, S. Zhao, Y.-X Guo, و ELECTRICAL & COMPUTER ENGINEERING. Compact Microstrip Ring Branch-line Coupler With Harmonic Suppression. 2014.

Wang, J., et al. Compact Microstrip Ring Branch-line Coupler With Harmonic Suppression. 2014.