F. Rockhold, und S. Ruberg. Pharmaceutical statistics, 7 (4):
233-5(2008)4692<m:linebreak></m:linebreak>JID: 101201192; ppublish;<m:linebreak></m:linebreak>Anàlisi de dades.
S. Barrett, und W. Langdon. Applications of Soft Computing: Recent Trends, Seite 99--110. On the World Wide Web, Springer, (19 September - 7 October 2005 2006)