1. [CW98] Key Recovery Header for IPSEC (in this issue).
2. [DM97] Internet Security Association and Key Management Protocol (ISAKMP), Douglas Maughan, Mark Schertler, Mark Schneider, Jeff Turner, INTERNET-DRAFT draft-ietf-ipsec-isakmp-08.txt, .ps, July 26, 1997.
3. [DP98] The Internet IP Security Domain of Interpretation for ISAKMP.
4. [DP98], Derrell Piper, Network Alchemy, May 12, 1998.
5. [SG98] A Common Key Recovery Block Format: promoting Interoperability between dissimilar key recovery scheme (in this issue).