00280nam a2200109Ia 4500082002000000100002900020245005100049260004400100300001600144500000500160700000500165  a338.06bN429.TE  aNelson, R. R. and Others  aTechnology economic growth and public policyb  aWashingtonbBrookings Institutionc1967  axiii, 238p.  a  a