Kyu-Hyung Kim Dong-Hee Lee Eun-Ju Ha Jong-Tae Park Provision of global number portability using CORBA. 17-30 2000 NOMS http://dx.doi.org/10.1109/NOMS.2000.830372 conf/noms/2000 db/conf/noms/noms2000.html#KimLHP00