【作者(必填)】
Wang S L, Heisey P W, Huffman W E, et al
【文题(必填)】
Public R&D, private R&D, and US agricultural productivity growth: Dynamic and long-run relationships
【年份(必填)】
2013
【全文链接或数据库名称(选填)】
Wang S L, Heisey P W, Huffman W E, et al. Public R&D, private R&D, and US agricultural productivity growth: Dynamic and long-run relationships[J]. American Journal of Agricultural Economics, 2013: aat032.