@article{https://resolver.caltech.edu/CaltechAUTHORS:POTpr32a,
    title = "Investigations in the Field of the Ultra-Short Electromagnetic Waves II. The Normal Waves and the Dwarf Waves",
    journal = "Physical Review",
    year = "1932",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:POTpr32a",
    id = "record",
    issn = "0031-899X",
    doi = "10.1103/PhysRev.39.638",
    volume = "39"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:POTpr32b,
    title = "Investigations in the Field of the Ultra-Short Electromagnetic Waves I. The Generator for the Production of Ultra-Short Undamped Waves",
    journal = "Physical Review",
    year = "1932",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:POTpr32b",
    id = "record",
    issn = "0031-899X",
    doi = "10.1103/PhysRev.39.625",
    volume = "39"
}