Meuwissen, D.H.M., author
Spectrum, 1984
Buku Teks
Burkens, M. C. B
Kluwer, 1971
Buku Teks
Meuwissen, D.H.M., author
W.E.J. Tjeenk Willink, 1975
Buku Teks
edited by George Clack
[publisher not identified], 1998
Buku Teks
Sagala, Shanty Sofiarli, author
Universitas Indonesia, 2008
UI - Skripsi (Open)