GONG, X.; ZHANG, B. Comparing Large-unit and Bitwise Linear Approximations of SNOW 2.0 and SNOW 3G and Related Attacks. IACR Transactions on Symmetric Cryptology, [S. l.], v. 2021, n. 2, p. 71–103, 2021. DOI: 10.46586/tosc.v2021.i2.71-103. Disponível em: https://tosc.iacr.org/index.php/ToSC/article/view/8906. Acesso em: 20 sep. 2021.