00421nam a22000977a 4500008004100000040005500041080001600096245015800112260003900270300001400309230717b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a5/6.008bK9  aPolicies and means of promoting technical progressc/ United Nations papers presented to the fifth meeting of Senior Economic Advisors to ECE Governments  aNew York: bUnited Nations, c1968  avi, 159p.