00356nam a2200145Ia 4500008004100000035000900041082002300050100004300073245005900116250000600175260000900181300000800190500000600198650000600204210723s9999||||xx |||||||||||||| ||und||  a3185  a670-680BRES / PRE  aPresidents Materials Policy Commission 0aResources For Freedom Vol Iv The Promise Of Technology  a-  a-b-  a228  a0  a-