Timoshenko, S. P. (Stephen P.), author
Erlagga, 1987
Buku Teks
Levinson, L., author
Peace Publishers, [date of publication not identified]
Buku Teks
Frick, Heinz, author
Kanisius, 1995
Buku Teks
[publisher not identified], 1981
Buku Teks
Frick, Heinz, author
Kanisius, 1979
Buku Teks