Horak, Ray Communications systems and networks (E-Book) Ray Horak - 2. ed. - Foster City, Calif. : M&T Books, cop. 2000 - xlii, 697 s. : ill. ; 23 cm - The M&T networking technology series . ISBN: 0-7645-7522-8 (alk. paper) Subjects--Topical Terms: Telecommunications engineering - (E-BOOK) Subjects--Geographic Terms: E-BOOK Dewey Class. No.: 621.382