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100 _aSchiff, Maurice
245 _aNorth-south technology diffusion, regional integration, and the dynamics of the "natural trading partners" hypothesis
_cby Maurice Schiff and Yanling Wang
260 _aWashington, D.C.
_bWorld Bank
_c2004
300 _a20p.
440 _aPolicy research working paper; no. 3434
650 _aIndustrial productivity.
650 _aDiffusion of innovations
700 _aWang, Yanling
999 _c291971
_d291971