Robertson, R. N.
Cambridge University Press, 1983
Buku Teks
Matsuura, Takeshi, author
CRC Press, 1994
Buku Teks
Inouye, Masayori
John Wiley & Sons, 1979
Buku Teks
N. K. Kanellopoulos
Elsevier, 2000
Buku Teks
Baiulescu, G.E. (George E.), author
John Wiley & Sons, 1977
Buku Teks