@article{novelbalancedsingledualbandbandpass,
  title = {Novel Balanced Single/Dual-band Bandpass Filters Based on Circular Patch Resonator},
  year = {2019},
  eprint = {1909.13420},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1909.13420v1},
}