Yumi Choi Hyunseung Choo Byong-Lyol Lee Secure Handoff Based on Dual Session Keys in Mobile IP with AAA. 663-672 http://dx.doi.org/10.1007/978-3-540-24707-4_78 2004 conf/iccsa/2004-1 ICCSA (1) db/conf/iccsa/iccsa2004-1.html#ChoiCL04