1. Armknecht F., Mikhalev V.: On lightweight stream ciphers with shorter internal states. In: FSE, pp. 451–470. Springer, Berlin (2015).
2. Babbage S., Dodd M.: The MICKEY stream ciphers. In: Robshaw M., Billet O. (eds.) New Stream Cipher Designs: The eSTREAM Finalists, pp. 191–209. Springer, Berlin (2008).
3. Banik S.: Some Results on Sprout. In: INDOCRYPT 2015, pp. 124–139. Springer, Cham (2015).
4. Barkan E., Biham E., Shamir A.: Rigorous bounds on cryptanalytic time/memory tradeoffs. In: CRYPTO 2006, pp. 1–21. Springer, Berlin (2006).
5. Biryukov A., Shamir A.: Cryptanalytic time/memory/data tradeoffs for stream ciphers. In: ASIACRYPT 2000, pp. 1–13. Springer, Berlin (2000).