* {{Cita libro|autore=Nicolas Courtois,T. Courtois|autore2=Josef Pieprzyk, "|titolo=Cryptanalysis of Block Ciphers with Overdefined Systems of Equations"|url=http://dx.doi.org/10.1007/3-540-36178-2_17|data=2002|editore=Springer pp267–287,Berlin ASIACRYPT 2002.Heidelberg|pp=267–287|ISBN=978-3-540-00171-3}}
* {{Cita libro|autore=Joan Daemen and |autore2=Vincent Rijmen, "|titolo=The Designdesign of Rijndael: AES - Thethe Advancedadvanced Encryptionencryption Standard."standard Springer-Verlag,; 2002.with ISBN17 tables|collana=Information security and cryptography|data=2002|editore=Springer|ISBN=978-3-540-42580-2.9}}
* {{Cita libro|autore=Niels Ferguson, |autore2=John Kelsey, |autore3=Stefan Lucks, Bruce Schneier, Michael Stay, David Wagner and Doug Whiting: |titolo=Improved Cryptanalysis of Rijndael|url=http://dx.doi.org/10.1007/3-540-44706-7_15data=2001|editore=Springer FSE 2000,Berlin pp213–230Heidelberg|pp=213–230|ISBN=978-3-540-41728-6}}
