【作者(必填)】Authors
MacLaren, D.;
Carter, C. A.
【文题(必填)】Implications of new trade theory for modelling imperfect substitutes in agricultural trade.
【年份(必填)】1990
【全文链接或数据库名称(选填)】
http://www.cabdirect.org/abstracts/19931856133.html;jsessionid=EFED9982DA7C7C5DD8357B2C83E76AD2