Eaton Jonathan Kortum Samuel
International patenting and technology diffusion - Boston BU US 1994 - ii, 42p - IED Discussion paper series .
US/Bos.U/IED/DP-50
International patenting and technology diffusion - Boston BU US 1994 - ii, 42p - IED Discussion paper series .
US/Bos.U/IED/DP-50