KUMA97 Kumar, I. Cryptology. Laguna Hills, CA: Aegean Park Press, 1997.
ROBS95a Robshaw, M. Stream Ciphers. RSA Laboratories Technical Report TR-701, July 1995. http://www.rsasecurity.com/rsalabs
ROBS95b Robshaw, M. Block Ciphers. RSA Laboratories Technical Report TR-601, August 1995. http://www.rsasecurity.com/rsalabs
RUEP92 Rueppel, T. "Stream Ciphers." In [SIMM92].
SCHN96 Schneier, B. Applied Cryptography. New York: Wiley, 1996.
SIMM92 Simmons, G., ed. Contemporary Cryptology: The Science of Information Integrity. Piscataway, NJ: IEEE Press, 1992.