Spice, J.E.
Pergamon Press, 1964
Buku Teks
Nalewajski, Roman F., author
Springer, 2012
eBooks
edited by John C. Dearden
Elsevier, 1983
Buku Teks
Campbell, J. A. (James Arthur), author
W.H. Freeman, 1970
Buku Teks
Sutton, Adrian P.
Clarendon Press, 1993
Buku Teks