@article{ShanjiaXinzhangBoegeetal.1993,
  author    = {Xu Shanjia and Wu Xinzhang and P. Boege and H. Sch{\"a}fer and Charles R. Becker and R. Geick},
  title     = {Scattering characteristics of 3-D discontinuity consisting of semiconductor sample filled in waveguide with gaps},
  year      = {1993},
}