Irvine,James Data communications and networks An Engineering approach / [[Book] :] James Irvine ,David Harle. - New delhi : John Wiley & sons, LTD, 2006. - 268 p. All age. ISBN: 8126507659 Subjects--Personal Names: computer network Dewey Class. No.: 001.64 National Library of Medicine Call No.: 001.64 / I D