1. Eli Biham, On Matsui's Linear Cryptanalysis, Lecture Notes in Computer Science, Advances in Cryptology, proceedings of EUROCRYPT'94, to appear.
2. Eli Biham, Alex Biryukov, An Improvement of Davies' Attack on DES, Lecture Notes in Computer Science, Advances in Cryptology, proceedings of EUROCRYPT'94, to appear.
3. Eli Biham, Adi Shamir, Differential Cryptanalysis of the Data Encryption Standard, Springer-Verlag, 1993.
4. Eli Biham, Adi Shamir, Differential Cryptanalysis of the full 16-round DES, Lecture Notes in Computer Science, Advances in Cryptology, proceedings of CRYPTO'92, pp. 487–496, 1992.
5. D. W. Davies, Investigation of a Potential Weakness in the DES Algorithm, 1987, private communication.