Breyer, C., Meiss, J., Birkner, C., Goldschmidt, J., & Riede, M. (2013). A top-down analysis: Determining photovoltaics R&D; investments from patent analysis and R&D; headcount. Elsevier.
Citace podle Chicago (17th ed.)Breyer, C., J. Meiss, C. Birkner, J. Goldschmidt, a M. Riede. A Top-down Analysis: Determining Photovoltaics R&D; Investments from Patent Analysis and R&D; Headcount. Elsevier, 2013.
Citace podle MLA (9th ed.)Breyer, C., et al. A Top-down Analysis: Determining Photovoltaics R&D; Investments from Patent Analysis and R&D; Headcount. Elsevier, 2013.
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