Damask, A.C., author
Academic Press, 1981
Buku Teks
Punmia, B.C., author
Laxmi Publ., 1989
Buku Teks
Courant, R., author
Springer-Verlag, 1989
Buku Teks
Rosdahl, Caroline Bunker, author
Lippincott Williams & Wilkins, 1999
Buku Teks
Benson, Rowland S., author
Pergamon Press, 1979
Buku Teks