00347nam a2200109Ia 4500082002000000100003500020245010500055260002800160300001500188500000500203700002900208  a338.91bG885.II  aGrubel, H. G. and Lloyd, P. J.  aIntra-industry trade; the theory and measurement of international trade in differentiated productsb  aLondonbMacmillanc1975  axiv, 205p.  a  aLloyd, P. J. ; jt. auth.