文献一：
标题：Intellectual property protection in collaborative innovation activities within services
作者：Christiane Hipp， Ricarda B. Bouncken
期刊：International journal of service technology and management, Vol 12(3)/ 2009
链接：http://inderscience.metapress.com/app/home/contribution.asp?referrer=parent&backto=issue,2,5;journal,5,47;linkingpublicationresults,1:110888,1
文献二（书的章节）：
标题：Towards a Strategic Theory of the Firm
作者：Rumelt, R.P
书名：Competitive Strategic Management， 1984，pp. 566--70
编辑：R.B. Lamb

谢谢！