Computer Science Press., 1984
Buku Teks
edited by Paul G. Jespers, Carlo H. SeÌquin, Fernand van de Wiele
Sijthoff & Noordhoff, 1982
Buku Teks
Muroga, Saburo, author
John Wiley & Sons, 1982
Buku Teks
Haskard, Macolm R.
Prenticel Hall, 1988
Buku Teks
Svoboda, Antonin, author
Garland STPM, 1979
Buku Teks