Ahluwalia, V.K.
Taylor and Francis, 2008
Buku Teks
Rempp, Paul
Huthing and Verlag Basel , 1991
Buku Teks
Raissa Rinaldi
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2022
UI - Skripsi (Membership)
edited by F.A. Bovey and F.H. Winslow
Academic Press, 1979
Buku Teks
Klopffer, Walter
Springer, 1984
Buku Teks