TY - `BOOK` AU - Berelson, Bernard TI - Content analysis in communication research ET - Facs. of 1952 ed. PB - Hafner CY - New York PY - 1971 LA - eng SE - 220 S. KW - Inhaltsanalyse / Massenkommunikation CN - 71 A 1131 CN - D I 52.1 CN - WS/MR 2600 B487 CN - S Lca 244 AN - UBHD-1049279 ER -