00284nam a2200109Ia 4500082002300000100001800023245007900041260002800120300001600148500000500164700000500169  a338.160981bK71.BA  aKnight, P. T.  aBrazilian agricultural technology and trade; a study of five commoditiesb  aNew YorkbPraegerc1971  axxii, 223p.  a  a