edited by D.R.J. Owen and A.R. Luxmoore
Pineridge Press, 1980
Buku Teks SO
edited by G.C. Sih and S.R. Valluri
Sijthoff & Noordhoff International Publishers, 1979
Buku Teks SO
Zehnder, Alan T.
Springer, 2012
eBooks
Cherepanov, G.P.
McGraw-Hill, 1979
Buku Teks SO
Kundu, Tribikram
CRC press, 2008
Buku Teks SO