000			00310nam a2200133Ia 4500
700			_aCochran, Lee W.
100			_aDeKieffer, R. E.
942			_cBK
654			_a
245			_aManual of audio visual techniques
260			_aEnglewood Cliffs _bPrentice Hall _c1962
082			_a371.33
300			_aviii,254
999			_c422647 _d422647
041			_aeng