000 00415nam a2200145Ia 4500
999 _c12052
_d12052
082 _a302.2014 BER-;
100 _aBerelson, Bernard
245 0 _aContents analysis in communication research
260 _aNew York
_bHafner Publishing
_c1971
300 _a220p.
650 _aContent analysis (Communication)
650 _aContent analysis (Communication)
650 _aCommunication - Research
942 _cBK
_2ddc