000			00394nam a2200157Ia 4500
008			190624s9999 xx 000 0 und d
040			_cPK-GjGUL
082			_a621 _bBIT-B
100			_aBittner
110			_aJohn R.
245			_aBroadcasting an introduction _cBittner
260			_aNew jersey _b"Prentice-Hall,Inc." _c1980
300			_a508 p.
650			_aMass Communication
942			_cBK
999			_c17112 _d17112