000			00279nam a2200109Ia 4500
008			161118s2016 xx 000 0 und d
082			_a371.33 N2A8
100			_aNational Soc. for the Study of
245		0	_aAudio-Visual materials of instruction.
260			_c1949
942			_2ddc
999			_c19732 _d19732