edited by Albert B. Harvey
Academic Press, 1981
Buku Teks
Siagian, Hendra Benny, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2013
UI - Tesis (Membership)
Siallagan, Sonia Taruli, author
2018
UI - Skripsi (Membership)
Long, D. A. (Derek Albert), author
McGraw-Hill, 1977
Buku Teks
Vertes, Attila, author
Elsevier, 1979
Buku Teks