I. Girard
发表
Shanzhi Chen,
Shiduan Cheng,
Luoming Meng,
1997,
GLOBECOM 97. IEEE Global Telecommunications Conference. Conference Record.
Wim Livens,
Dirk Ooms,
Philip Dumortier,
1998,
IEEE GLOBECOM 1998 (Cat. NO. 98CH36250).