Electric sounds technological change and the rise of corporate mass media - Wurtzler, Steve J.; Gale Virtual Reference Library (New York Columbia University Press, 2007)
Electronic reproduction.
Keywords: Mass media -- Technological innovations -- History -- 20th century. -- United States; Mass media -- Ownership -- History -- 20th century. -- United States; Sound -- Recording and reproducing -- History -- 20th century. -- United States; Electronic books