Rahman, Atta-ur, author
Springer-Verlag, 1993
Buku Teks
edited by Wilhelm Keim
D. Reidel, 1983
Buku Teks
Albert, Adrien
Athlone Press, 1959
Buku Teks
Pearson, Anthony J., author
John Wiley & Sons, 1985
Buku Teks
Lappin, Graham, author
Ellis Horwood, 1994
Buku Teks