@BOOK{NAP1966, author = "National Academy of Engineering and National Academy of Engineering", title = "Memorial Tributes: Volume 5", isbn = "978-0-309-04689-3", doi = "10.17226/1966", url = "https://nap.nationalacademies.org/catalog/1966/memorial-tributes-volume-5", year = 1992, publisher = "The National Academies Press", address = "Washington, DC" }