The Vulnerability of Geometric Sequences Based on Fields of Odd Characteristic
A. Klapper
Volume 7, Number 1, 1994, Pages 33-51
Algebraic Nonlinearity and Its Applications to Cryptography
L. O'Connor and A. Klapper
Volume 7, Number 4, 1994, Pages 213-227
Feedback Shift Registers, 2-Adic Span, and Combiners with Memory
A. Klapper and M. Goresky
Volume 10, Number 2, 1997, Pages 111-147