. . . . . . . . . . "Changing stations : the story of Australian commercial radio" . . "Changing stations : the story of Australian commercial radio"@en . . . . "Immediate, intimate, portable and inexpensive, radio is the most pervasive medium in Australia. Changing Stations is the first full-scale, national history of commercial radio in Australia, from the experiments and schemes of the 1920s through to the eve of the introduction of digital radio in 2009." . "Changing stations the story of Australian commercial radio" . . "Immediate, intimate, portable and inexpensive, radio is the most pervasive medium in Australia. Changing Stations is the first full-scale, national history of commercial radio in Australia, from the experiments and schemes of the 1920s through to the eve of the introduction of digital radio in 2009."@en . "Electronic books" . . "History" . "History"@en . . . . .