TELECOM report special : multiplexing & line transmission
TELECOM report special : multiplexing & line transmission - [s.l.] : Siemens, 1987 - 332 p.;, 29,5 cm.
621.391
TELECOM report special : multiplexing & line transmission - [s.l.] : Siemens, 1987 - 332 p.;, 29,5 cm.
621.391