Comer, Douglas E. , The internet book : everything you need to know about computer networking and how the internet works / Douglas E. Comer. - 4th ed. - xxvii, 380 pages : illustrations ; 24 cm. ISBN: 0132335530 Subjects--Topical Terms: Internet.Computer networks.World Wide Web. LC Class. No.: TK5105.875.I57 / .C65 2007