Ritola, V. (2009). Science, technology and innovation in Europe: 2009 edition ([1st ed.].). Office for Official Publications of the European Communities.
Citace podle Chicago (17th ed.)Ritola, Veijo. Science, Technology and Innovation in Europe: 2009 Edition. [1st ed.]. Luxembourg: Office for Official Publications of the European Communities, 2009.
Citace podle MLA (9th ed.)Ritola, Veijo. Science, Technology and Innovation in Europe: 2009 Edition. [1st ed.]. Office for Official Publications of the European Communities, 2009.
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