000 00433nam a2200133Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
020 _a0-8039-3501-3
100 _aPichard Robert G
245 _aMedia economics
260 _aLondon
_bSage
_c1989
300 _a136p;22.5cm
650 _aMass media-economic aspects
999 _c51635
_d51635