00491nam a22001697a 4500 230615b |||||||| |||| 00| 0 eng d National Science Library National Science Library 621.39:654 M8 Bear, D Principle of telecommunication traffic engineering 3rd ed. London: Peter Peregrinus Ltd., 1988 x, 250p. Telecommunication Science udc BK 43933 43933 0 0 udc 0 62139654_M8 0 66442 NSL NSL GF/Rk-13/C-2/R-5 1991-03-12 0 621.39:654 M8 171757 2023-06-15 00:00:00 1991-03-12 BK