"stallings, william . "
handbook of computer-comminications standards: / william.. stallings - 2 ed. - usa : howard w.sams company 1987. - "xi, 244p.; 24 cm."
0 672 22665 0
--
001. 640202sta
handbook of computer-comminications standards: / william.. stallings - 2 ed. - usa : howard w.sams company 1987. - "xi, 244p.; 24 cm."
0 672 22665 0
--
001. 640202sta