edited by J.M. Poate, K.N. Tu and J.W. Mayer
John Wiley & Sons, 1978
Buku Teks
Heavens, O.S., author
Dover, 1991
Buku Teks
Yuyu Rachmat Tayubi, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1997
UI - Tesis (Membership)
Blossey, Ralf, author
Springer, 2012
eBooks
Ming, He
Springer, 2012
eBooks