Bubley, Dean.
Opportunities for ISDN : the Market for new Technologies and Services / 1 t. Bubley Dean. - London : FT Business Enterprises, 1994. - VIII, 173 s.: il.; 30 cm.
1853342297
Opportunities for ISDN : the Market for new Technologies and Services / 1 t. Bubley Dean. - London : FT Business Enterprises, 1994. - VIII, 173 s.: il.; 30 cm.
1853342297