@misc{indiciaeca046939dabb,
  title = {Dynamical diffraction of x rays at grazing angle.},
  author = {T Jach and PL Cowan and Q Shen and MJ Bedzyk},
  year = {1989},
  doi = {10.1103/physrevb.39.5739},
  url = {https://pubmed.ncbi.nlm.nih.gov/9948987/},
  note = {Source identifier: 9948987}
}