Stallings, William
ISDN an introduction by William Stallings - Ist ed. - New york Macmillan publishing 1989 - xii. 420p.
Includes bibliographies
002946028X
623.81958 / STA/1989
ISDN an introduction by William Stallings - Ist ed. - New york Macmillan publishing 1989 - xii. 420p.
Includes bibliographies
002946028X
623.81958 / STA/1989