【作者(必填)】X González, C Pazó

【文题(必填)】Firms' R&Ddilemma: to undertake or not to undertake R&D

【年份(必填)】Applied EconomicsLetters，Volume 11, Issue 1,2004, pages 55-59

【全文链接或数据库名称(选填)】

http://www.tandfonline.com/doi/abs/10.1080/1350485042000187471#.UbHM5ZbfiIA