Nayfeh, Ali Hasan, author
John Wiley & Sons, 1979
Buku Teks
Butenin, N.V., author
Blaisdell, 1965
Buku Teks
Schetzen, Martin, author
John Wiley & Sons, 1980
Buku Teks
Bellman, Richard, author
Academic Press, 1973
Buku Teks
edited by Martin Casdagli and Stephen Eubank
Addison-Wesley , 1992
Buku Teks