By Hébert Robert   in The Journal of Technology Transfer

ISSN:0892-9912|31|5|589-597

Springer Publishing Company ‎(2006)‎

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By Ekelund Robert B.   Hébert Robert F.   in The Journal of Economic Perspectives

ISSN:0895-3309|16|3|197-215

American Economic Association‎(2002)‎

Access to resources Favorite 9.049388