4Joachim Hegh-Krohn, Nils E. & Henry Knivsfl, Kjell. Accounting for Intangible Assets in Scandinavia, the UK, the US, and by the IASC: Challenges and a Solution[J]. The International Journal of Accounting,2000,35(2) :243-265.
5Choi Won W. Kwon. Market valuation of intangible assets[J]. Journal of Business Research, 2000,49 ( 1 ) : 35-45.
6Anderson Michael H. Intangible investment, debt financing and managerial incentives[J]. Journal of Economics and Business, 1999,51(1):3-19.
7Harvey Michael. Protecting the core competencies of a company: intangible asset security[J]. European Management Journal, 1997,15 (4) : 370-380.
8Mo J P T, Ahou. Tools and methods for managing intangible assets of virtual enterprise[J]. Computers in Industry, 2003,51(2) :197-210.
9Harvey Michael G. Balancing the intellectual capital books: intangible liabilities [J]. European Management Journal, 1999,17(1) :85-92.
10Bayon, Tomds. Customer equity marketing: touching the intangible [J]. European Management Journal, 2002,20(3): 213-222.