00326nam a2200133Ia 450000500170000008000180001710000220003524500370005726000340009430000160012858300190014494200120016399900170017520260716043542.0  a09.05.08 J672  aJohnson, Harry G.  aAspects of the theory of tariffs  bAllen & UnwinaLondonGBc1971  axii, 451 p.  c11/19/04kJOYD  cMmJ672  c49614d49614