NBC: America’s Network - Michele Hilmes - Google Books

http://books.google.de/books?id=rovD3dy-vDoC&pg=PA145&lpg=PA145&dq=nbc+audience+flow+1952&source=bl&ots=JRVOrd8WAs&sig=kVLEQE8Sx

"NBC: America's Network makes a significant contribution to our understanding of American broadcasting. Hilmes makes a convincing case for the appropriateness of an examination of a single firm, NBC, to illuminate the major themes and events of American…

UZH - Seminar für Filmwissenschaft - Reihe «Zürcher Filmstudien»

http://www.film.uzh.ch/research/publications/zuercherfilmstudien.html