By Kirbach M.   Schmiedeberg C.   in Economics of Innovation and New Technology

ISSN:1043-8599|17|5|435-457

Routledge Ltd‎(2008)‎

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By Smolny W.   Kirbach M.   in Applied Economics Letters

ISSN:1466-4291|18|9|873-879

Routledge Ltd‎(2011)‎

Access to resources Favorite 11.674358