Burton S. Kaliski Jr., Matthew J. B. Robshaw. Linear Cryptanalysis Using Multiple Approximations and FEAL. In Bart Preneel, editor, Fast Software Encryption: Second International Workshop. Leuven, Belgium, 14-16 December 1994, Proceedings. Volume 1008 of Lecture Notes in Computer Science, pages 249-264, Springer, 1994.
Abstract is missing.