Stallings, William.
Data and computer communications / William Stallings. - 6th ed.. - Upper Saddle River, N.J. : Prentice Hall, c2000. Upper Saddle River, N.J. : Prentice Hall, c2000. - xx, 810 p. : ill. (some col.) ; 24 cm.
0130863882
Data transmission systems. Computer networks.
Data and computer communications / William Stallings. - 6th ed.. - Upper Saddle River, N.J. : Prentice Hall, c2000. Upper Saddle River, N.J. : Prentice Hall, c2000. - xx, 810 p. : ill. (some col.) ; 24 cm.
0130863882
Data transmission systems. Computer networks.