Fast Encryption Algorithm Spectr-H64. - Nick D. Goots; Alexander A. Moldovyan; Nick A. Moldovyan (MMM-ACNS, 2001)

Fast Ciphers for Cheap Hardware: Differential Analysis of SPECTR-H64. - Nick D. Goots; Boris V. Izotov; Alexander A. Moldovyan; Nick A. Moldovyan (MMM-ACNS, 2003)

Variable Bit Permutations: Linear Characteristics and Pure VBP-Based Cipher. - Nikolay A. Moldovyan; Alexander A. Moldovyan; Nick D. Goots (Comput. Sci. J. Moldova, 2005)