Enschede, Ch. J., author
Kluwer, 1981
Buku Teks
Enschede, Ch. J.
Kluwer, 1969
Buku Teks
Enschede, Ch. J., author
Kluwer, 1995
Buku Teks
Hoefnagels, Gerardus Petrus, author
Kluwer, 1969
Buku Teks
Veld, J. In`t, author
W.E.J.Tjeenk Willink, 1985
Buku Teks