00460nam a22001577a 4500 230328b |||||||| |||| 00| 0 eng d National Science Library National Science Library D 681.324 N0.1 Nussbaumer, Henri Computer communication system New York: John Wiley & Sons, 1987 271p. Computer science Information technology udc BK 15677 15677 0 0 udc 0 D_681324_N01 0 23225 NSL NSL GF/Rk-4/C-13/R-4 1991-01-30 Vol.1 Data circuits, errors detection, data links 0 D 681.324 N0.1 171551 2024-06-25 00:00:00 2023-03-28 BK