【题 名】: Contract Selectivity, Food Safety, and Traceability
【作 者】: S. Andrew Starbird & Vincent Amanor-Boadu
【期刊、会议、单位名称】:Journal of Agricultural & Food Industrial Organization
【年, 卷(期), 起止页码】:2007、vol. 5(1), pages 2
【全文链接】: http://ideas.repec.org/a/bpj/bjafio/v5y2007i1n2.html