000			00377nam a2200145Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e15507 _aMAIN
041			_aEnglish
082			_a070.1 D29M
100			_aDavison, W Phillips
245		0	_aMass media: Systems and effects
260			_aNew York _bHolt, Rinehart and Winston _c1976
300			_av, 237 p.
942			_cBK
999			_c200359 _d200359