000 00300nam a2200109Ia 4500
008 211217s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aEmery, Michael C.
245 0 _aReadings in mass communication
260 _bWm. C. Brown
_aIowa
_c1972
942 _c1
999 _c384621
_d384621