edited by John Woodwark
Clarendon Press, 1989
Buku Teks
edited by H. Hagen, D. Roller
Springer-Verlag, 1991
Buku Teks
edited by Wolfgang Strasser and Hans-Peter Seidel
Springer-Verlag , 1989
Buku Teks
Anand, Vera B., author
John Wiley & Sons, 1992
Buku Teks
Barsky, Brian A., author
Springer-Verlag, 1988
Buku Teks