Bailley, Norman T. J., author
Charles Griffin, 1975
Buku Teks
Academic Press, 1977
Buku Teks
Dubisch, Roy
Balisdell Publishing Company, 1963
Buku Teks
edited by J.A. Bondy, U.S. Murty
Academic Press, 1979
Buku Teks
W.D Wallis
[Springer Science, ], 2012
eBooks