editor: Thomas P. Anderson, Robert W. Springer, Richard C. Warder, Jr.
Northwestern University, 1963
Buku Teks SO
Artikel Jurnal
Muhammad Burhan
Faculty of Engineering, Universitas Indonesia, 2016
Artikel Jurnal
Parsons, Roger
Butterworths Scientific Publications, 1959
Buku Referensi
Marie, Charles
Pergamon Press, 1969
Buku Teks SO