00302nam a2200145Ia 450000500170000002000090001708200100002610000170003624500520005325000060010526000220011130000080013350000090014165000060015020251119054952.0  aNULL  a330.1  aCaves, R. E. 0aTrade And Economic Structure Models And Methods  a-  aDelhibMotilal B.  a317  a1124  a-