00399nam a2200145 a 450000500170000010000060001711000230002324500600004626000360010630000140014296400160015699700120017299900170018495200520020120251203092139.0  d_  aFerguson, Marjorie  aMass Communication Technologies and the Public Interest  aLondonbSage Publicationsc1990  a198p.cPB  bcdefg_  a62595 C  c65654d65654  00104070aPUbPUd2000-01-13l0o p62595yBK