Olsson, Anders. Understanding changing telecommunications(E BOOK) building a successful telecom business / [Elektronisk resurs] : Anders Olsson. - Chichester, England ; Hoboken, NJ : Wiley, c2003. - xxix, 512 p. : ill. ; 25 cm. Includes index. ISBN: 9780470868539 9780470868539 Standard No.: 10.1002/0470868538 Subjects--Topical Terms: Telecommunication. Dewey Class. No.: 384