00381nam a22001097a 4500 240802b |||||||| |||| 00| 0 eng d National Science Library National Science Library D 007:681.34902) K7 Burroughs: B 300 and B 5500 data communications information manual Michigan: Burroughs Corporation, 1967 udc BK 65780 65780 0 0 udc 0 D_00768134902_K7 0 179097 NSL NSL SF/Rk-B2/C-7/R-2 1976-07-13 0 D 007:681.34902) K7 66386 2024-08-02 00:00:00 1976-07-13 BK