@misc{indiciae5613270abd85,
  title = {A complex virtual source approach for calculating the diffraction beam field generated by a rectangular planar source.},
  author = {Kan Sha and Jun Yang and Woon-Seng Gan},
  year = {2003},
  doi = {10.1109/tuffc.2003.1214508},
  url = {https://pubmed.ncbi.nlm.nih.gov/12894922/},
  note = {Source identifier: 12894922}
}