1. X. Lai, On the Design and Security of Block Ciphers, vol. 1 of ETH Series in Information Processing. Hartung-Gorre Verlag Konstanz, J. L. Massey ed., 1992. ISBN 3-89191-573-X.
2. Lect Notes Comput Sci;X. Lai,1991
3. Lect Notes Comput Sci;S. K. Langford,1994
4. Lect Notes Comput Sci;J. L. Massey,1993
5. Lect Notes Comput Sci;M. Matsui,1993