00917nam a2200313 x 4500 9915698023804341 OSt 20260923113609.0 880719s1987 enkab w 00110 eng b 87002002 b8810863 0471858285 (StEdNL)1569802-nlsdb-Voyager StEdNL KSG HF5541.T4 384/.02465 19 Vignault, Walter L. Worldwide telecommunications guide for the business manager Walter L. Vignault New York Chichester Wiley c1987 xvi,417p ill 24cm £45.85 Wiley series in telecommunications Bibliography: p378-382. - Includes index Business Communication systems. Telecommunication systems. lcc BK NLS 3212 3212 0 0 lcc 0 0 KSGNBO KSGNBO 2019-08-16 0 HF5541.T4 V54 1987 NRB44165 2026-01-08 00:00:00 2023-04-16 BK