00469pamaa2200169 4500 0000008577 20080305090000.0 0135712742 004.6 STA 1997 TK5105 STA 1997 Stallings Data and computer communications William Stallings. 5th ed. New Jersey: Prentice Hall, 1997. xv, 798p.: col.ill.; 24. Computer networks Data transmission systems