@article{https://authors.library.caltech.edu/records/dexdx-n1e17,
    author = "Lewis, Alan L. and Villagrana, Robert E.",
    title = "Perturbation Treatment of High-Energy-Electron Diffraction from Imperfect Crystals",
    year = "1972",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20150127-080422520",
    id = "https://authors.library.caltech.edu/records/dexdx-n1e17",
    issn = "1098-0121",
    doi = "10.1103/PhysRevB.6.4382",
    volume = "6",
    number = "12",
    pages = "4382-4392"
}