00415nam a2200145Ia 4500 20251229182151.0 251229s9999 xx 000 0 und d 978-0-02-415431-6 HF 5548.2.S73 1990 Stallings, Williams Business data communications Williams Stallings London Collier macmillan 1990 Business-Data Processing BK 495043 495043 0 0 0 0 NTCCLIB NTCCLIB GEN 2025-12-29 0 HF 5548 2 S73 1990 18599 2025-12-29 18:21:51 2025-12-29 BK