求助两篇英文文献！

请各位达人帮忙搜索两篇文献！非常感谢！非常感谢！
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题目：Upper Echelons Research Revisited: Antecedents, Elements, and Consequences of Top Management Team Composition

• 作者：Mason A. Carpenter1,
• Marta A. Geletkanycz2 and
• Wm. Gerard Sanders3
• 
  
• 来源期刊：10.1016/j.jm.2004.06.001Journal of ManagementDecember 2004 vol. 30 no. 6749-778
  2  

  Top Management Teams, Business Models, and Performance of Biotechnology Ventures: An Upper Echelon Perspective

  • Holger Patzelt1,
  • Dodo Zu Knyphausen-Aufseß2,
  • Petra Nikol2
    

  Article first published online: 6 NOV 2007   DOI: 10.1111/j.1467-8551.2007.00552.x

  British Journal of ManagementVolume 19,  Issue 3, pages 205–221, September 2008
  

  
  
  
  
  
  

感谢！