000 00472cam a22001217a 4500
008 180718b1957 xxu||||| |||| 00| 0 eng d
082 _aI548 Un2/21
245 _aCurrent mass communication research-1
_cby Clearing House, Department of Mass Communication, France
260 _aParis
_bUnesco publications
_c1957
300 _a60+p
440 _aReports and papers on mass communications December 156 no. 21
700 _aFrance. Department of Mass Communication Clearing House
999 _c491496
_d491496