6Douglas J.Cumming,Jeffrey G.Macin- tosh.The Determinants of R&D Expenditures: A Study of the Candian Biotechnology Indus- try[J] .Review of Industrial Organization, 2000,17. 被引量：1
7Guenter Lang.Measuring the returns of R&D-An empirical study of the German manufacturing sector over 45 years [J ].Research Policy, 2009,38. 被引量：1
10Baysinger D, Kosnik D. Effects of Board and Ownership Structure on Corporate R&D Strategy [ J ]. Academy of Management Journal,1991,34( 1 ) :205 -214. 被引量：1
