@BOOK{NAP578, author = "National Academy of Engineering and National Academy of Engineering", title = "Memorial Tributes: Volume 1", isbn = "978-0-309-02889-9", doi = "10.17226/578", url = "https://nap.nationalacademies.org/catalog/578/memorial-tributes-volume-1", year = 1979, publisher = "The National Academies Press", address = "Washington, DC" }