Comer, Douglas E. The internet book : everything you need to know about computer networking and how the internet works / Douglas E. Comer - 2nd.ed. - Upper Saddle River, New Jersey : Prentice Hall, 1997 - xxiv, 327 p. : ill.; 24 cm. Includes index ISBN: 0138901619 Subjects--Topical Terms: Internet Intranets (Computer networks)