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Kondratieff waves in global invention activity (1900–2008)
Andrey Korotayev, Julia Zinkina, Justislav BogevolnovVolume:
78
Year:
2011
Language:
english
Pages:
5
DOI:
10.1016/j.techfore.2011.02.011
File:
PDF, 326 KB
english, 2011