@book{https://authors.library.caltech.edu/records/yrwm4-2y382,
    author = "Abdel-Ghaffar, Khaled and McEliece, Robert and Solomon, Gustave",
    title = "Some Partial Unit Memory Convolutional Codes",
    year = "1991",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20190315-142359380",
    id = "https://authors.library.caltech.edu/records/yrwm4-2y382",
    isbn = "0780300564",
    doi = "10.1109/isit.1991.695252",
    pages = "196"
}