Requirements and implementation of service-ordering and billing system for multimedia services. - Hiroshi Arimichi; Hideo Kikuchi; Masataka Minemura; Satoshi Hara 004 (NOMS, 1998)

A proposal for and evaluation of secure key management in service operation schemes. - Kenii Muto; Hideo Kikuchi; Hiroshi Arimichi (NOMS, 2000)