00296nam a2200109Ia 4500082002200000100002200022245007400044260003100118300002700149500000500176700000500181  a382.1042bL436.SI  aLoamer, Edward E.  aSources of international comparative advantage; theory and evidenceb  aCambridgebMIT Pressc1984  axx, 353p. Index, Bibl.  a  a