Dijck, J.G.R. van, author
Centrex, 1964
Buku Teks
Romanowitz, H. Alex, author
John Wiley & Sons, 1962
Buku Teks
Da Rosa, Aldo Vieira, author
Optimization Software, 1989
Buku Teks
Jenkins, John, author
Pergamon Press, 1971
Buku Teks
Van der Ziel, Aldert, 1910-
Prentice-Hall, 1959
Buku Teks