@other{https://resolver.caltech.edu/CaltechAUTHORS:20160108-111148211,
    title = "A Scaling Technique for the Design of Idealized Electromagnetic Lenses",
    year = "1968",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20160108-111148211",
    id = "record"
}