00334nam a2200133Ia 4500008004100000041000800041084001300049100001600062245003800078260002800116653001700144653001500161653002400176160808s1949    xx            000 0 eng d  aeng  aT:312CC  aWaldron, G.  aInformation film /cby G. Waldron  aNew York :bCup,c1949.  aAudio Visual  aE Ducation  aTeaching Techinique