Manalu, Landong, author
Fakultas Teknik Universitas Indonesia, 1998
UI - Skripsi (Membership)
Clough, Ray W., 1920-, author
McGraw-Hill, 1993
Buku Teks
Lenczner, David, author
Pergamon Press, 1981
Buku Teks
Warburton, G.B. (Geoffrey Barratt), 1924-, author
Pergamon Press, 1976
Buku Teks
Paz, Mario, author
Van Nostrand Reinhold, 1980
Buku Teks