00392nam 2216BKA002644 450000100120000000300230001200500090003500800410004408200110008507200380009610000220013426000190015625000060017530000220018124500270020316BKA002644StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a004.65 amobile communi cat io ns te stems aJoChen H.Schiller bLondon: Pearson a2 a978-81-317-2426-2 aMobile Commwni Cations