00797nam0 2200241 450 00002584420090520152517.00-471-92066-520090520d1989----km-y0itay50------baengUSy-------001yyData and computer communicationsterms, definitions and abbreviationsGilbert HeldChichester [etc.]John Wiley and Sonsc1989254 p.25 cmData and computer communications42929004.621Interfacciamento e comunicazioniHeld,Gilbert27769ITUNIPARTHENOPE20090520RICAUNIMARC000025844DISAM 004.6/1M 338DISAM2009Data and computer communications42929UNIPARTHENOPE