Sloane, Andy, 1954- Computer communications principles and business applications / [Book] : Andy Sloane. - London ; New York : McGraw-Hill, c1994. - xv, 278 p. : ill. ; 23 cm. All. ISBN: 0077078225 (pbk.) : Subjects--Topical Terms: Computer networks.Communications software. Dewey Class. No.: 004.6